G20 HUD GPS Speedometer Operation Guide for Amazon

Buy from VJOYCAR Official store on Amazon:
www.amazon.com...
Main Functions & Features:
【Head Up Display】HUD display, it has only one function - display the car driving speed. Compared to normal LED HUD on market, it doesn't need paste any project film on car glass, and it doesn't have double image even under terrible sunshine at noon.
【GPS Speedometer】Collects the speed data from GPS satellites, no relation with car engine, no destroy to car circuit board or OBD port, and can be widely used on SUV ATV Pick-up Truck Scooter Golf Cart Bus Boat Train Bike Motorcycle...all vehicles. Its speed will be 1%-5% different from car dashboard which speed is from car tire rotation speed, but its speed is the same logis as speeding radar.
【Install】Easy install and use, no buttons, no need any setting, no need read manual, its package include one USB cable, just need connect the USB with our GPS speedometer, then connect to your car. If your car has a USB port, pls plug the USB cable to USB port; if your car doesn't have a USB port, then give it a car adaptor. Plug and Play.
【On/Off automatically】 Built in vibration sensor, when detect car motion, it will be on and display the driving speed in big fonts; if keep stationary 100% for more than 3 minutes, it will be off. When it's off, no power consumption at all.
【Warranty】First time usage, it takes 10-30 seconds to get GPS signal, and it can't work indoor/Underground parking lot/Tunnel. If the GPS HUD can't power on or has other problems, no need spend time to return it to Amazon, just contact with us to ship you a new HUD directly. You are welcome at anytime.

[@edwardhorn]

My speedo is not connecting to the satellites