What is Car Keys Programming? Modern cars have computers in the key fob to communicate with the vehicle. The key and the computer have to be programmed to understand each other (think Tinder) and this is referred to as car keys programming. This can be done either by a locksmith https://g28-car-key-solutions49456.theisblog.com/29613374/10-ways-to-build-your-car-key-reprogramming-empire