We engage electronic handbrake at speed (in some cars you never heard of) - what will happen?

[@GeneralChangFromDanang]

I half expected the BMW to ask you to renew your subscription before applying the emergency brake.

[@Colorado_Native]

Don't give them any ideas. They already charge for the air in the car.

[@JohnScales-d5p]

I drive a BMW motorrad, and I am insulted. Try any BMW motorcycle and tell me you won't love them.

[@romaash]

@@JohnScales-d5p do I need a subscription for heated seats?

[@avgfinnishdude]

@@romaash if you don't get them from factory then yes

[@Mike_221]

Hahaha

[@Kiyoone]

"Only do this with cars you rent" LMAO🤣😂

[@engram9511]

den whats wrong??

[@felixokeefe]

This is the intended use case of the e-brake. It's described in the manual of the car.

[@nihorothereal]

This is also my bet. But theoretically everything you push or pull even if spastic should work without damaging anything. Maybe we have a bunch of myths that are not known to old engineers and tech nerds.

[@gabrielv.4358]

makes sense now haha

[@garycarpenter2932]

or a loaner from the dealership. in my 20's i bought a brand new '84' buick regal, limited edition btw. beautiful car. look it up. but the 238 v6 engine was junk. brand new, it was in for a new engine, some friends and i were having fun with that thing. even the new engine put in was junk too, but having fun with the loaner was worth it/.

[@MigotRen]

modern electronic handbrakes are proper E-brakes as in "Emergency" brakes. They use the abs system to perform an emergency stop. for cases like if the driver falls unconicous and a passenger could stop the car immediatly

[@ozan1234561]

So, if theres a problem with the brakes, something like overheating or a leak, its useless

[@aff3ction]

@@ozan1234561e brakes are not connected to ur regular braking system partly for this reason

[@SLAutoRepair]

@@ozan1234561if your brakes are leaking/malfunctioning you shouldn’t be driving the car at all. If they were leaking, you would have next to no stopping power, and once the fluid is gone, you would have zero stopping power.

[@GF-mf7ml]

the Japanese cars use electric motor at rear wheel brake calipers

[@joeman840]

In a lot of cars theyre completely mechanical so much much to go wrong​@@ozan1234561

[@eyzmin]

I love how theyre using rental cars for this hahahaha

[@chriscruzA35O-9OO]

Chinese car

[@eyzmin]

@@chriscruzA35O-9OO the front plates have the rental company name on them

[@tahahaider5836]

​@@chriscruzA35O-9OOwho gives a fk

[@jwalster9412]

I would love to see the rental company's reaction to this video.

[@unhippy1]

@@jwalster9412 it would make a good marketing video...."look how safe the cars you can rent from us are"....

[@cornovii3012]

I was teaching my daughter to drive last year in a 2023 Vauxhall Corsa with a button for a handbrake, i tried to pull it just the once and nothing happened, this experience defiantly shortened my life thinking i had zero control and now find out its pull and hold.

[@MrPaulNimeno]

maybe when you momentarily pull just once, the car thinks you pulled it by mistake as oppose to pulling and holding it which it thinks you intentionally needed to stop

[@cornovii3012]

@@MrPaulNimeno I'm guessing this is what happened, i find out now she passed her test. If you look close enough you can probably still see imprints from my fingers in the Corsa :D

[@Craig-wp3pz]

And new rear callipers 😮 And bolts to match

[@KenFullman]

I used to drive buses and, all the models I drove included pneumatic actuated doors, which by their nature, are a tad laggy. When you push the button to open the door, it takes about 4 seconds before the doors actually open. Since we also stop as smooth as possible, we push the button before we've quite come to a standstill, that way, as soon as the bus stops, the doors open. This worked on all the buses I drove until our depot got some new buses. These new buses still had the lag between pushing the button and opening the doors but, would apply the emergency brake as soon as you touched that door open button. As a result, even though we're only moving at about 2 mph, when we push that button, if anyone is standing, they would get thrown off their feet. We all complained about this "feature" because we felt it was dangerous. Furthermore, if we waited for the bus to be at a complete standstill before pushing the button, our passengers would then experience the lag time. Causing them to glare at us for keeping them waiting. (believing we're doing this deliberately) Then on one occasion I decided to test what would happen if I pushed that button, while travelling at speed. While I had an empty bus, with no other traffic around, I braced myself by putting both feet against the dashboard. Then pushed the button at 20mph. Nothing happened. I then relaxed and put my feet back down, but then as i slowed to pull over, at about 8mph, the wheels locked up and I was thrown into the windscreen and then the doors opened. So it turns out that, although it wouldn't apply the brakes at speed, the bus would remember you've pushed that button and as soon as you've slowed down enough, it will then apply the emergency brakes. Hated those buses.

[@chiefdenis]

​@@KenFullman thats a terrible feature on those busses, and probably also a safety hazard 😂

[@rancidmarshmallow4468]

So, unlike a traditional handbrake with it's own mechanical setup, modern electronic handbrakes are just an input which the car can be programmed to react to in slightly different ways, but ultimately mostly just fully activates the regular service brake (which it can do otherwise already, since it's probably set up for auto emergency braking, braking during cruise control, etc)

[@D3M3NT3Dstrang3r]

Many of them I have seen electronically activate the caliper piston or shoes if they are drum brakes with a servo mounted to the rear of the respective mechanism. The point is to actually still have something to allow braking should the hydraulic / main portion of the braking system fails.

[@JJFX-]

​@@D3M3NT3Dstrang3rThis is what I'd really like to see tested. Some way to temporarily disengage the main lines and then test various cars.

[@ouch1011]

The electric parking brake is still done in a very similar fashion as a traditional parking brake, which is mechanical and completely separate from the hydraulic brakes, it’s just done electronically. Early systems literally just used a motor to pull a parking brake cable. However, when moving, using the parking brake to try and slow the car is 1) not very effective and 2) dangerous if the rear brakes lock up. This video showed that on the first car. So, modern systems use the ABS to stop that car using the hydraulic brakes. Much more effective and safe.

[@D3M3NT3Dstrang3r]

@@ouch1011 What are you basing this info on? ABS is integrated into the hydraulic portion of the braking system which the parking brake does not use on at least any model in the US I am aware of. They use a servo or motor that compresses the caliper piston or seperate shoes. All I have stop the car independantly of abs or hydraulic, and I have to drive several models of vehicles without using the service / hydraulic brakes as part of what I do for a living.

[@andreap555]

I have a Scenic with first system with cables and one electric motor and is not true its safe. On emergency hand brake it uses rear calipers only pulled by cable and uses abs on electric brake to not lock the wheels. Also a plus of this system is the unlocking cable handle to unlock the handbrake without power, newer systems doesnt have a manual unlock

[@Curry1162]

3:03 “EEEUUUGH!!!” translation:”holy cow.”

[@RJ_JR_]

Broooo😂😂😂 this popped up as soon as he did itttttt😭😭😭

[@shipmcgree6367]

🐄 Euuughhhh

[@cyprex]

New cars on this channel, what a treat!!

[@aboodaj1]

Indeed 😂 Also what happened at the end is shocking and funny

[@DrHouse-zs9eb]

But only Chinese ones. But no wonder after that friendship between Putin and ping.

[@AlphaFlight]

Probably paid promo experiment

[@meMrFrog]

omg the ending , rip in the forest

[@aarong9378]

Fortunately, with manual transmissions, you can slow down a lot without using your brakes.

[@meMrFrog]

@@aarong9378 yea using engine brakes

[@Boss_Tanaka]

Just set the gearbox in reverse

[@chiefdenis]

They set bro up, should have known when they gave him the beat up car 😂😂😂

[@anielius5438]

@@Boss_Tanaka😳 Yeah you will stop but your not gonna have a great time during and after that

[@dogyouare]

In VW it will apply abs at max and then apply park once it is at lower speed

[@dogyouare]

@PREDATEURLT it does. It check to see if it's able to build pressure and if not or it is not responding it will start applying park brake. How do you think all these ones work?

[@5Dale65]

Does it also downshift to low gears to make maximum use of engine breaking? In case of DSG of course

[@dogyouare]

@5Dale65 it does automatically. When dsg senses hard braking it will down shift. In sport this is more noticeable. But it does not down shift harsh.

[@StephenButlerOne]

I tried this in my 2019 Leon ST FR dsg and it felt like all four calipers engaged. It felt violent.

[@zloychechen5150]

@@dogyouare if i were a chinese dude doing the e-brake algorithm in a car, i'd make it use both the p-brake, and the wheel brakes. It's not very likely that all hydraulic circuits are out of order, most likely, 1 or 2, so it might sense through ABS that there is a brake imbalance and disable the braking on some corners to make the car stable, and if everything fails, the p-brake would still function. I'd not be surprized if they made it like that (neither would i be surprized if tey didn't - these chinese cars are quirky in ways that are not necessarily nice). Does this make sense? I think that at bmw they decided that you wouldn't use the e-brake unless the service brake fails completely, so they just made it do what it has always done. Completely justified in my mind.

[@Herc-eles]

There is a major problem with electronic handbrakes... My friend has a new Ford Ranger 4x4 with electronic handbrake, he was on a trip recently and on an outback road which has river and creek crossings to contend with. His car was doing fine UNTIL... one of the river crossings flooded his alternator causing it to not charge the battery anymore. He found out whilst crossing another river when the battery completely died and the car automatically engaged the park brake, because the engine switched off. This left him stranded about two thirds the way across a flowing river with no way to move! Luckily, he was with other people in 4x4's and someone hooked up their winch and had to skull drag his car out of the river, which damaged the gearbox and transfer case.

[@JJFX-]

@@Herc-eles There likely a manual shiftlock release that I'd hope also disengages the brake. If a car dies with an automatic e-brake and needs to be towed there must be a way to disable it. I've seen a pull tab in the center console of some trucks but not sure if that was a Ford.

[@drayke8886]

If transmission was damaged then it wasn't parking brake, he just towed his car with park lever engaged within gearbox or in drive. E-brake would actually saved his car because brakes would hold his wheels and not gearbox. And yeah, cars with automatic gearboxes go into park automatically when loosing power, some care have even hidden small battery just for this.

[@Herc-eles]

@@drayke8886 Nope. You're wrong! His car shifted to park when it lost power and because it's an electronic shift he couldn't get it out of park without power. The E-brake DID NOT save his car, it stranded the car in the middle of a flowing river!

[@drayke8886]

@@Herc-eles it's exactly what I said, e-brake wasn't engaged. Your friend was fighting with gearbox when towing, if the car would engage parking brake (as you said in 1st comment) he would fight brakes and nothing would be damaged. I'll say it more clearly for you, e-brake and "park" on transition are to separate systems. When parking on hill you should use e-brake to save transmission.

[@Herc-eles]

@@drayke8886 BOTH engage when the engine switches off or loses power. He was fighting BOTH gearbox and brakes.

[@mobilcams]

I have a 2019 Honda Insight.. I was teaching my daughter how to drive so I had to try this to see what would happen.. It happens exactly as it did in these newer cars.. AND I USED IT! TWO TIMES I had to pull that button up! The second time, the collision avoidance reacted faster than I did (thankfully) and kept her from rear ending the car in front of us. The first time, it was night time and she didn't see a car turning left in front of us.. I know people hate electronic e-brakes, but for me they saved my car..

[@MikMak3]

Your daughter should NOT be allowed to drive cars

[@Arctic740]

I never did this while learning how to drive. I had extreme driving anxiety and avoided downtowns at first. During my driving test I ran a stop still passed but never anything like this. This is extremely concerning please reconsider letting her drive

[@AI-Records24]

Consider doing some activities that will increase her awareness- self and surrounding.

[@synthwave7]

This was a great video - keep it up Garage 54- testing extreme motor car stuff we are afraid to do ourselves.

[@JJFX-]

Fun fact... traditional hand brakes typically don't enable the rear lights which can be useful to briefly slow down while passing a certain something on the side of a highway. As for the hard braking... if I'm not mistaken manufacturers typically aim for about 1G of braking force which is about the limit the average driver can safely endure while minimizing the chance of losing control. BMW's stopping distance seems to closer to that while the chinese cars are like, "What's a G?".

[@LRK-GT]

Also doesn't dip the nose. Totally haven't used the E-Brake for that...

[@JJFX-]

@@LRK-GT I should add that if done repeatedly it can be rough on the rear brakes so be gentle. The stock assembly is typically not meant to be taking the full load of the vehicle and could end up warping the little rotors but it really depends on the model.

[@ouch1011]

Or you could just not drive like a piece of shit. Cops don’t pull you over unless you’re speeding a LOT.

[@JJFX-]

@@ouch1011 Chill brother, those days are behind me but for the record where I am they'll even try to pop you for going 75 with no traffic while the majority of drivers here have cruise control at 80 in the fast lane.

[@drayke8886]

Do cops in USA really pull over for braking? In Europe they have to have a proof: number on speed radar.

[@twocvbloke]

Meanwhile, older Citroens applied the handbrake on the front axles, just to make sure you don't do anything silly... :P

[@Garage54ENG]

Old SAAB's as well

[@simenk.r.8237]

Some audis as well actually

[@TheCommanderNZ]

The old Subaru Leone had front hand brakes as well.

[@TheObsesedAnimeFreaks]

that's one feature of modern cars i like lol. they just are alleged to be a pain if you end up with a dead battery or need a tow.

[@GF-mf7ml]

I have more than 3 cars dead battery or battery disconnected are common. I don't want to deal with these problems.

[@TheObsesedAnimeFreaks]

@@GF-mf7ml there is a way to remove the parking break, I don't know what that is exactly but I think it's a specialized too to reverse the parking mechanism out, like how semi's use cage bolts but different.

[@LonerTK]

@@TheObsesedAnimeFreaks It's the shift lock release. A little buton by the gear selector that forces the gear to move even when the battery is dead.

[@markchapman2585]

This channel is awesome. The video quality is perfect

[@DubStepTomatoFarmer]

Time to drop what your doing, Garage 54 uploaded a new video!

[@acadonmoore7790]

Exactly what I did

[@DubStepTomatoFarmer]

@NoNonsenseChurch thats why I keep a stock of like 10 10mm's lol

[@GrainGrown]

*you're

[@busyguy7479]

the last one at the end was hilarious got to love it you guys rock, kudos.

[@Iisakki3000]

Should have also tested by just flooring the normal brake pedal, as a control. Modern cars also activate emergency braking if you floor the brake pedal at soeed. I'm thinking that both flooring the brake pedal and pulling the parking brake switch will activate the exact same system, and the result should also be the same. I hope you can revisit this and verify it, would be interesting!

[@FISHERMAN4401]

The us needs the garage 54 scientist.

[@jimkelly1613]

We have them, the NIH, just without the humor

[@Phantom-rb8yv]

Whistlin Diesel

[@gabrielv.4358]

@@Phantom-rb8yv he's a whack. not funny

[@Gafferd8186]

My intrusive thoughts every time I get on the highway

[@Rovibronique]

The best intrusive though in cars still using a mechanical key: will removing the key at 130 km/h activate the neman?

[@Jan_rebq]

My VW Passat apply full ABS braking. feels like an anchor dropping from the tailgate ⚓️ The end… I’m crying 😂😂

[@Stoney3K]

The white Cupra they used in the test is basically a Passat so that makes sense.

[@siraff4461]

The point of the emergency brake is to allow you to bring the car to a stop in the event of brake failure. If all it does is use the brakes then its effectively useless in an emergency. The system on the BMW is completely seperate to the service brakes and while it might only apply to the rear wheels - and then only with limited force - it will still work if the main brakes can't for whatever reason. This is also mandatory in a lot of countries for road use. The rest look like they have one braking system and no redundancy with the e-brake simply being a way to engage brake assist without the pedal. If those brakes fail you've got no other options.

[@europana7]

yup ... I'd rather have a completely seperate and mechanical system for emergency brake.

[@chasehilmy]

The e-brake on certain vehicles use the caliper to engage the brakes. If the brakes lose all fluid, the ebrake will still be functional. The caliper is mounted with a small motor to engage the pistons. Now if the caliper/s fail then there’s is no stopping it.

[@siraff4461]

@@chasehilmy Thats how the BMW system works - the rear brakes are a disk over drum design so the disk is the service brake and the drum the handbrake or e-brake. Manual or electronic actuation doesn't make much difference but the Chinese cars shown here appear to use the same single system regardless of if its a pedal press or an e-brake pull. That leaves no redundancy which is the whole point of an e-brake in the first place. I suppose if the pedal itself snaps it might help but otherwise its fairly pointless.

[@kyle8952]

"The point of the emergency brake is to allow you to bring the car to a stop in the event of brake failure. " This is a myth. It's not even an "emergency" brake, it's a parking brake. If it was meant to stop a moving car it wouldn't be on the rear axle, it'd be on the front. Locking your rear wheels is a bad fucking time.

[@MelodicTurtleMetal]

The Chinese cars do utilise standard e-braking, but they also engage normal breaks. Don't like the stopping force though - can't help but think a child playing around will cause you to get a hard rear ending when you suddenly come to a perfect stop. I'll have to try it on my Civic and see what they chose for that

[@mediocreman2]

With the BMW, the rear parking brake will engage under 2 miles per hour and over 2 miles per hour, it uses the full braking system and the parking brake switch needs to be held for 2 seconds to activate.

[@simonallan9941]

Waaaay back when I/we were very young, we often used the parking brake for assistance in cornering, especially on the gravel roads around the outskirts of town, was also great to perform a rapid U turn or "hand brakie" to quickly change to the opposite direction when PC Plod was after you...

[@kg-Whatthehelliseventhat]

I still do that 😂😂

[@dakr3464]

Makes me want my 1990 dc integra again! Some one thought they were cheeky on the back roads and brighted me so I whipped around and followed them probably scaring the piss out of them making them think twice! The fun of a hand e brake is great! No electric bs!

[@FatSn8ke]

I once mistaken the electronic handbrake as the folding roof button on my TTRS MK3 while travelling at 60km/h on a straight highway ramp. Can confirm that it did slow down the car right away without any drama. Nicely done Audi👍🏼

[@reformedgarbage5415]

One of my favorite cars man

[@dasteufelhund]

I love you guy's content! Translation or no translation (preferable with translation), keep 'em coming!

[@Spiritualwarfare587]

The fact i like this channel there is no ads . Love it

[@Gdawes87]

The ending was gold Jerry GOLD!!!

[@jessecussins1444]

Can you repeat the experiment without brake fluid or simulate a break in the hydraulic lines. Pretty sure the mechanical emergency brake reigns Superior.

[@otm646]

In no instance does the parking brake use the hydraulic system. It's an electronic parking brake, the EPB is controlled by the ABS unit and ECU

[@Staples-King]

​@@otm646 u sure about those Ch1nese cars

[@UCCLdIk6R5ECGtaGm7oqO-TQ]

'Modern' (been the case for decades) braking systems consist of multiple independent hydraulic circuits. It would be improbable to lose all at once.

[@greenmachine5487]

The e-brake system uses a motor on each of the rear calipers, brake fluid is not an issue.

[@mariosmusik4898]

@@otm646 For normal parking use yes. But I'm pretty sure that in the tested situation the hydraulic brakes were used too (at least in the Chinese cars). I think they even said, they heard the ABS engaging. And I don't think I't otherwise possible to stop that fast without completely locking any wheel. I would be interested too what happens if you remove all brake fluid. Simulating the unlikely event, that the hydraulic system has zero function and testing if the e-handbrake can be used as a fallback solution, like an old mechanical brake could be.

[@richardspicer8253]

So basically there programing the fun out of cars 😂😂🤦‍♂️ great video as usual guys 👌

[@StephenButlerOne]

Or programming safety into cars.

[@TheObsesedAnimeFreaks]

@@StephenButlerOne "safety" Honestly it's not a bad feature in the event you _need_ to use it, but it's still far safer to drive an older car with less nanny devices.

[@StephenButlerOne]

@@TheObsesedAnimeFreaks I'm not to sure about that. I've currently got an ioniq hybrid as a work car, and it may not be a sexy or sports car, it's a boring car, however it's probably the best car I've owned. Lots of emergency breaking functions, the best adaptive CC I've experienced, will take you to zero and then move off for you, it's lane keep, isn't the best I've used, but ok, Auto lights, and dippers, auto wipers, cooled and heated seats and wheel. I don't love the car, coming from a 19 Leon STFR 7DSG, before that a 16 GTC VXR, the ioniq is the better car. It just lack any type of character. But it's definitely the safest car I've owned in 30 years, and only going to get safer. I'm thinking of going Cupra Born next week, as I've never had an EV, and I have a feeling they aren't the future the industry like us to believe. So I want to try one before it's to late. Btw I love an ice car, hot hatches and warm estates (wagons), but I do like to swing wildly when picking cars. May go for a lexus OU 300e, that's looking decent too. I used to drive 100miles per week, I've just changed roles and I'll be working from home so I think an EV will fit in to the next couple of years into my life.the Cupra is winning ATM, as it has the hatchback vibe and is the only EV with positive handling ratings.

[@sirmounted8499]

@@StephenButlerOne yes, more safe, less fun

[@StephenButlerOne]

@@sirmounted8499 once you have kids, safe sounds good

[@nicka9103]

I’m curious if it uses the hydraulic braking system fails what would happen? It seems like the electronic parking brake doesn’t use a separate emergency brake when it activates.

[@anthonyjulson8840]

They typically use an electric motor.

[@Pasloooo]

Yea seems like it uses front wheels and abs very well and emergency aka handbrake is meant to be when normal brakes failure?

[@mediocreman2]

I'm not sure what the laws are in Russia, but in the US, they need to be two independent systems. So most likely, if the regular brakes failed, it will use the rear parking brake. This would be difficult to test, but I'd still love to see how it would perform.

[@muntderadel2258]

1:19 manual abs 😂😂

[@motorenbastler9289]

Well the question is, modern cars with emergency brake assist can also break by themself so i wonder if you pull the e handbrake they engage all 4 brakes the normal way or really only the handbrake. Because this looked like a strong brake engage, and not like you would expekt by only pulling the handbrake and only brake the rear wheels. The BMW braked like expected. So would be nice if you can disable the normal brake system on the other cars and test that again.

[@mediocreman2]

They're definitely using the entire brake system. The BMW is as well, but under two miles per hour the BMW will only use the rear parking brake.

[@oh_zoinkers]

On my Mazda6, when I pulled the ebrake during snow it locks up all 4 tires

[@MelodicTurtleMetal]

It uses both, which is sad - I'd prefer it just lock up the rear wheels.

[@motorenbastler9289]

@@MelodicTurtleMetal yeah because i think its a way to get your car stoped in an emergency. So if your complete brake system fails what does the cars do? Nothing or really using hand brake to slow the car down

[@fatjaysgarage]

Another great video, yall have done everything from a to backwards r at this point.. great work

[@lefora87]

the guy tests everything most people don't...I like that😁💪

[@Colorado_Native]

I love how they are actually using the seat belt and shoulder restraint. That's unusual for them.

[@thinkeightsix]

The emergency brake has an ironic name. You use it every time you park in a manual, every time you park on a steep incline in an automatic and no one ever uses it during an actual emergency.

[@ILoveTinfoilHats]

You've never heard "parking brake"? "Hand brake"?

[@missakaiddamalgoda1879]

Use of emergency mode in e brakes engages both your normal brakes and actual e brake. In the honda owners manual it is explained so. That in case of brake failure pull on the e brake switch to attempt to stop using the e brake module.

[@hornetscales8274]

Saw the title, figured as a wrench-turner one shouldn't do this to their car.......so of course I'm curious! Bring it! Love this channel! Even the crazy gives some education!

[@SergioGarcia-jg3yy]

Thank you! I've learnt a lot! But, I wonder What would you do if you have, like me, a foot mechanical brake in your car? you can't disengage it unless you floor it, so you can't apply-release-apply again. What should you do in this situation?

[@ouch1011]

I’ve owned 4 different vehicles with electric parking brake (2 GM, 1 Hyundai and 1 Kia). They all apply the service brakes when you pull the parking brake switch, then engage the parking brake when you are fully stopped. It’s basically the same as braking hard with the brake pedal, except it does it using the same system as the autonomous braking system (some use the ABS, others use an actuator to push the brake pedal).

[@cormacsomerville375]

Vlad, you and your lads do some amazing experiments with cars and engineering! Absolutely love the work you all put in! Great content! Many thanks for your very entertaining content. Much respect and admiration from Sth Australia ✌️☘️🙏

[@pazsion]

most e brakes are an after thought, and just dont work unless you adjusted it. some like suburu was too small and placed in a way it couldnt apply proper force on brakes. some grabbed the axle... id be mad if my e brake locked up all 4 wheels. you try to turn your going straight sideways into what your trying to avoid. but if the digital brake pedal fails, you have a secondary digital brake thats either on or off...

[@Adam_Lyskawa]

In a very old car I could lock the rear wheels with e-brake on snow. It was kind of fun. BTW, what's the advantage of using the electronic handbrake instead of traditional emergency braking using the foot brake? IMO the lever is there to use when parking. But well, when it's software-defined, it probably makes no sense to leave the parking function while still moving, so the first logical thing that comes to mind is just emergency braking (in chinese cars) or just smooth braking (in BMW). I think both options are fine. And even if it lock the rear wheels - it would be fine because it's a way to have fun in the snow ;) However, the lag is awful, I prefer mechanical handbrakes for that.

[@adeelbandesha]

You know I have the Haval Jolion 2022, and I’ve been curious about what happens when I use the brakes. Thanks to you, I now know the answer!

[@anasalwash]

what happens if you shift the gear to R or P while driving? applying light break if needed while driving fast

[@dogwalker666]

On mine nothing until you hit zero speed and touch the brake,

[@zloychechen5150]

Modern auto boxes are electronic, so it won't shift until you come to a stop. Old "stupid" boxes will -when i was young and foolish, i tried to get a speeding ticket in reverse, because i figured that my car would do 80 kph in reverse. So i tried rehearsing a J-turn (because braking straight from 80 in reverse is extremely difficult), and i found that, on tarmac, in a RWD car with an auto it's much more difficult than in a FWD car with a manual, so i ditched the idea as too dangerous, even for my then-self. But it did shift from R to D, and from D to R on the move. Actually, the reverse speeding ticket stuff is redundant, because i did j-turns forward and in reverse plenty of times in the snow. So what happens is a bit of fun for a 21-year-old.

[@volvo09]

As the others said nothing happens in a modern car... In an older car with physical linkage it will go into reverse. If it's a powerful enough RWD car (like an SUV or a crown Vic) and you stab the throttle it'll spin the tires backwards. In a FWD car it has too much grip and just stalls the engine, but you can reverse real fast and slam it into drive and do a burnout. I've done all in a few old cars, never broke anything... I think the fastest I did it was about 50mph.

[@csabakandiko3191]

The end was very disappointing, I expected at least a bl*at🤣🤣🤣 Thanks for the very informative video!

[@Bigma_Industries]

The BMW did not engage the emergency brake (like they expected) because they hit the parking brake, not the emergency brake. There is a (P) symbol NOT an (E) symbol. This makes the car stop in a controlled way, and applies the parking brake. To perform an emergency brake in a BMW, you quickly press the brake pedal all the way inn. This engages emergency braking.

[@rhodaborrocks1654]

I've never been brave enough to try this in my own car so yes, I found this interesting as well as entertaining, so thank you.

[@doraexplora9046]

Hahahahaha.. the end was seriously faaarny. Interesting vid. But the humour made it worthwhile.

[@mikldude9376]

I wondered what would happen if the electronic handbrake was engaged at speed , good to know , thank you guys !

[@gynocentrismergomgtow]

How does flooring the brake pedal compare with using the electronic handbrake?

[@greenmachine5487]

It is mind boggling reading the comments and seeing how many people are clueless as to how electric e-brakes work. 😂

[@259559ful]

Pls enlighten us

[@fastdude2002]

I don’t know, that’s why I’m watching these videos, to educate myself.

[@thejoseandresshow]

And youre just as lost by calling it an "e-brake". Cars don't have "e-brakes". They have parking brakes

[@PJD_55]

Electric e-brakes 🤔.

[@poot2762]

​@@thejoseandresshowway to be confidently incorrect. all parking brakes can be used as emergency brakes, and all emergency brakes can be used as parking brakes. That is because they are the same exact thing

[@jacksonm.6549]

I had no idea about this. I think it's a neat trick to know if you're a passenger of a car if something happens to the driver and you need to come to an emergency stop. Obviously you don't have access to the foot pedals, so lifting the e-brake or handbrake to bring the car to a stop is a nifty idea.

[@yfbb1]

@Garage 54 i wonder how it compares with applying full brake on the BMW? will that engage hazard lights?

[@zaimhazmin8851]

just a question, can you still do 180 tight u-turns with e e-brake?

[@dand5593]

How the handbrack stoppting distance will compare to pedal emergency breaking? This way you will se if the front is engaging also.

[@hobbes7460]

Do vehicles that have a push button e-brake function the same, can you just push it once and it activates or would you have to hold the button? Mine is the push button style and in a bad location, a passenger would have zero chance of pushing it in an emergency.

[@prmetim3z522]

What car is the black chinese suv? it's interior looks amazing

[@alexdro4389]

GAC GS8

[@resistancesst]

What happens with a loss of fluid pressure on one or both braking cylinders? I'm curious if it uses the rear motors to have some redundancy over the hydraulic braking system.

[@Nordic_Mechanic]

yes it will use the electric rear caliper to brake then. But the braking distance will be longer

[@sakurojason]

With a mechanical hand brake, you wanna pull the leaver just enough to come into a controlled stop. You don’t wanna lock up the tires. If you pull too hard, the wheels lock up and you’ll slide. You apply the hand brake the same way you would with your regular brakes but keep in mind that the emergency brake does not feature ABS on older cars.

[@stargazer7644]

So let me get this straight. You apply the e-brake the same way you apply any other brake. Got it.

[@sakurojason]

@@stargazer7644 in a similar way, just a bit stronger

[@azrobbins01]

You started a video without saying "Hey, there fellas"? That is a first!

[@jesuslovesyoujohn314-21]

Those are pretty strong breaks, honestly impressed.

[@cavemanindustries5102]

Can you modulate brake pressure with the electronic hand brake?

[@KentuckyRanger]

It's good to know this. Of course, the owner's manual tells about this. Problem is, nobody reads them... LOL!

[@mikewheeler9011]

The e(lectronic) brake has 2 modes in modern cars. It applies rear brakes with an electric motor, seperate from the hydraulic system. It does this no matter what. The other mode is linked to the abs and performs an abs stop to bring the cars speed down as quickly and safely as possible. It looks like the bmw didnt do this, but the others did.

[@AkumetsuOne]

Legends say that after moving the cam many times, he could not stop, but somehow he drew water from a well. hahahahaha

[@enzz3855]

Most modern car equipped with E-brakes has actuators that control the braking rather than using the conventional brake line. Even if you lose pressure from your brake line i.e. brake leak or broken brake line, the car can stop perfectly when pulling the E-brake switch. It's like 2 in 1 safety features like the old conventional way of using disk/drum brake cable where 1 used brake fluid and the other use brake cable. In modern E brake cars, your effed if both your brake electronics and brake line were to fail.

[@henktulp4400]

I guess we, as like most of us drivers, forgot about the ‘second use’ for the handbrake…. it serves as the EMERGENY brake too!!! And up to recently we (also by law!!!) were quite pleased with an emergency brake that performs like the handbrake of the Hyundai, in this test DEFENITELLY within the law!!!

[@wendeltenebroso9324]

Will electronic e brake works without break fluid or no electrical power?

[@HaraldFrentzen]

serious question, will releasing the button also releasing the brake, so we can get the control back?

[@Zadster]

The BMW is activating the parking brakes on the rears. These are drum brakes operating on the inside of the disc and totally independent of the disc brakes. Genuine emergency backup brakes, which are great for parking the car, but not so good at retarding it from speed. The other Chinese cars are faking it by applying maximum braking via the ABS system to the rear axle disc brakes, and possibly also to the fronts.

[@janetcohen9190]

Interesting experiments with different cars, and bit of contrast among manual emergency brake to electronic brake version. 🎉🎉🎉 The bmw E brake seems the best of E-brake versions. However E brake and Manual brakes are principally intended for helping secure car when stopped and parked. So to bolster putting vehicle gearbox in lowest gear, or for automatic gearbox/transmission in Park. The increased inclusion of electronic, programmed, automatic feedback brake and other devices in cars is a double-edge-sword for leads car drives to become dependent on devices. Thus more oblivious to conditions present & dynamics along with Nature and its Laws.

[@osks]

Thank you! I’ve been too poepscared to pull this brake in my own car! Now I know better!

[@rayceeya8659]

Here in the States, we call it an emergency brake because all cars are required to have two seperate braking systems. The hydraulic brakes for normal use and the E-brakes in case the hydraulics fail. The E-brake is connected mechanically through cables like the brakes on a bicycle. The laws must be different in Russia because I'm pretty sure these electronic handbrakes wouldn't be usable in an emergency.

[@RileyAMG]

These are actually pretty common on new cars, i’m a mechanic in a southern state and they’re everywhere now. Absolutely despise them, they make my job harder and usually can’t be used when moving - they’re only for parking. I will never own a car with one for those reasons.

[@aarong9378]

The e-brake on my car engages electronically. You can hear the motor running when it engages or disengages.

[@greenmachine5487]

Newer cars do not use a mechanical cable to actuate the e-brake. It's electronic, there is a motor on each of the rear calipers.

[@TizianoBacocco]

they are plain unsafe , all new cars are like that, but that is no way an emergency brake, if you car electronics is dead/faulty, good luck braking

[@kyle8952]

You call it an emergency brake because your standards of driver education are extremely poor. Locking the rear wheels up is a terrible thing to do in an emergency, it just makes the car unstable.

[@conrod1869]

In some cars there is a procedure you can do to disable the abs from working with the park brake so you get electronic park brake only. Each manufacturer is different.

[@taz7264]

but what if the reason you are pulling the emergency brake is because your main brakes have actually failed in some way? how are these cars really going to stop if you have lost fluid.. this needs more testing

[@anthonyjulson8840]

The electric hand brake uses an electric motor.

[@psychosis1767]

Depends on how the brakes have failed. If the rear brakes are completely shot, you have no chance of using the handbrake. Handbrake also bypasses the hydraulic system with a cable, so in a case of brake fluid loss, you can still apply the rear brakes.

[@travisthree11]

It's not an EMERGENCY brake ffs. It's a PARKING brake. There's a reason there's a letter 'P' on it, and it doesn't stand for emergency.

[@dogwalker666]

In a hybrid the motors run backwards in an emergency.

[@Skiman__]

It’s no longer an “emergency brake”. These electronic ones are called as “parking brake” now and the computer thinks it’s smarter than you and will let you put it as much as you want, but will never engage the brake. Because f**k you, that’s why. Cars past 2020 imo are bulls**t and tend towards consumerism than actual machines. Everything is made such that you cannot work on your own car and are shackled to the dealership and pay their insane premium on low quality oem parts.

[@ok_best]

what happen if you have total electrical failure and how do u use the electronic emergency hand brake

[@bojangs4719]

I still prefer the excitement brake v the emergency brake. Lol, amazing how safe they made these Brake systems

[@ycplum7062]

The "E" in E-brakes stands for electronic. They are not "emergency" bakes. Previously they are refered to as hand brakes or parking brakes. They are actuated when parked to prevent the car from rolling away once parked back in the days before automatic transmissions.

[@DocSprocket]

I'm interested to know the mechanics of it. With the old mechanical system, you pulled the lever with actuated cables and engaged brake pads or shoes on the rear axle. The system was designed to NOT use any hydraulic components, as an emergency backup braking system in case of service brake failure. In more modern systems, the main brakes weren't actuated at all, rather a secondary shoe within a drum section of the brake rotor. With these new systems, the video shows the cars stopping pretty hard, yet not locking anything up. Any mechanics here able to explain this? It seems like it's not limited to one axle, working VERY efficiently, and yet not skidding. Does this still somehow qualify as an "emergency brake" by NOT using any of the main braking hydraulics? What about the pads? Does the system engage all 4 wheels and is it performing an ABS-like function?

[@Nordic_Mechanic]

1-It does not qualify as emergency brake, labelled as a PARKING brake 2-it uses the abs to applied brake pressure to all wheels with the abs pump and also an electric motor caliper to squeeze the rear brake pads as it would while parking. if you had an actual brake failure, the distances would be way longer as it would only use the rear brake through an electric caliper. IE if your electric system goes tits up you die

[@DocSprocket]

@Nordic_Mechanic So, what we're seeing here, isn't what would normally constitute an "emergency brake", then. The original idea behind the emergency brake, was an independent backup system. I then suspect that a test of the actual emergency brake system would yeild similar results to the conventional "handbrake". Thank you.

[@unicronneedsfood1446]

I like the bit at the end where the manual parking brake isn't even connected lol, kinda dangerous tho tbh if you have a brake master cylinder failure. The chinese cars are interesting, my hypothesis for the BMW is that the car does not actually want to wear down the parking brake shoes, BMW is pretty serious about protecting their hardware. it also might be to stop you from E-brake drifting.

[@Trucker_Tim]

Modern cars with electric handbrake uses the cars regular brakes and abs sensors to slow the car to standstill when the e-brake is pulled at speed. This prevents the rear wheels from locking up as it uses all abs sensors, as supposed to a mechanical handbrake that locks up the rear wheels. It works the same for all cara with electric handbrake regardless is it's awd, front or rear wheel drive

[@matt79de]

Thanks, guys. Very interesting. I find the huge difference between the BMW and the other guys a bit disturbing. Not falling on either side as far as preference is concerned, but it seems weird that neither the EU nor the car manufacturers themselves managed to agree on a default behaviour there. P.S.: Mechanical handbrakes aren't for stopping. They are for U turns. 😉

[@volvo09]

I've done it in my 18 F150... It uses the ABS pump to apply the brakes. Dosen't even lock up the wheels in the snow.

[@erkinalp]

abs on parking brake is dangerous, it should've applied max brake immediately even if it'd mean burning tires

[@ancientaliensarecoming7201]

And if You are out of fluid??

[@volvo09]

@@ancientaliensarecoming7201 I bet it wouldn't work... I've had 3 brake lines burst in my life, I wish I had a real parking brake. I'll have to make sure my brake lines don't turn to rusty puss like my last vehicles...

[@ashiehakoto1490]

what if you made a lada have mechanical braking on all four wheels? what if you could use the front ones independantly of the rears? what would a car using mechanical brakes feel like to drive?

[@Dazdigo]

Would the electronic parking brakes work in a car with no brake fluid at speed?

[@AnthonyTeasdale]

If you are in a car equipped with an electric handbrake and the driver has a medical episode, You can pull the electric handbrake to stop the car.

[@SwapBlogRU]

Yes, that seems to be the best explanation for this sort of functionality - in case of driver incapacitation.

[@greenmachine5487]

In my 2017 Chevy Impala, the E-brake button is on the driver's left side, over by the door. For a passenger to reach it, you would have to reach over the driver and around the steering wheel to get to it.

[@joesyrnichenko8156]

Why is this a comment? E is short for Emergency brake e.g. "a medical episode"

[@matthopper1925]

It's also intended to be used if your main brakes fail, which is why it uses a secondary braking system.

[@rian0xFFF]

@@matthopper1925 what if the secondary uses the main system

[@stephenparchewski1998]

Great video guys. Here’s a suggestion for one. What happens when you run an engine with diesel fuel in place of engine oil? I know some people will flush engines with it, but will it cause damage to the engine (or clean it out) if you use it as the engines lubricant.

[@David_L3]

So are these brakes still relying on hydraulics to be functional?. I'm old. I'm used to handbrakes being a mechanical backup to the hydraulics.

[@dr_jaymz]

Its should perform an emergency stop whilst maintaining directional control. because that is specified on the car type certificate. It applies brakes to all wheels regardless of the handbrakes.

[@tutacat]

You don't need to hold the button when you are stationary. But brake pedal as anti-lock. Braking at speed is an abnormal condition, so it's good to beep at you. The delay is so it doesn't activate by accident.

[@dustinbarkes4936]

Garage 54 for American president

[@canadianelementsautodetailing]

Hello there I enjoyed watching your whole video thank you for the data that you provided the only thing is you were testing hand breaks against the hold feature they are two different things the hold feature acts that you are pushing the foot breaks and handbrakes act by holding the back wheels only, you couldn’t pull a Scandinavian flick with the hold feature you can only do it with proper Hand breaks and PS not all new vehicles have button for hold some vehicles like Mercedes you activate the hold feature when you push the foot breaks all the way down. Your test would’ve been more accurate in terms of data if you were testing the hand breaks against the parking brakes.

[@SimonFS]

Try the handbrake of the BMW at the Highway. It will go in emergency mode and activate full self driving to get you at the right lane and come to a stop. Also it will switch on the lights inside to make your emergency visible for others and use the e call to call an ambulance

[@marwin7323]

We got dubbed car videos before GTA 6

[@Interknetz]

I wonder if trying the foot brake with the e-brake would have made any difference. Granted it would be ideal to use the foot brake on its own as well as e-brake so you get an idea of difference between the two - then see if using both at once makes it stop even quicker than normal foot brake.

[@asturiancetorix2552]

In my vehicle, according to the manual, the electric parking brake can be activated while moving at any speed, to stop the vehicle in the event of a total breakdown of the service brakes. It applies not enough force to lock the wheels, but enough to stop the vehicle gently.