Use the Harbor Freight Meter to Test Your Key FOB Battery

Welcome to my channel where I show you how to make your cars last 25 years. In this video I show you how to use the Harbor Freight free multimeter to test your 3 volt key FOB battery so you don't get locked out of your car.

[@matrox]

I have this meter. Good diag. My batt was reading 6.8. just replaced with a new one reading 7.9.✊😁

[@bloolouis]

What setting do you put the multimeter on?

[@letson96]

Excellent

[@MilometerSpear]

I thought you were going to open the key fob and test the continuity