What is Car Keys Programming? Modern vehicles use a special computer chip inside the key fob to connect with the vehicle. The key and computer have to be programmed so that they know each other. This can be done either by a locksmith, or a dealership, depending on the manufacturer https://g28carkeys54558.ageeksblog.com/28771303/15-inspiring-facts-about-car-key-reprogramming-that-you-never-knew