What is Car Keys Programming? Modern vehicles use computers in the key fob to communicate with the vehicle. This computer and key must be programmed so that they know each other. Depending on the car manufacturer, this can be done by a locksmith or the dealership. The process varies slightly https://g28carkeys01931.therainblog.com/28742396/5-car-key-reprogramming-projects-that-work-for-any-budget