What is Car Keys Programming? Modern cars have a computer chip in the key fob that allows communication with the vehicle. The key and computer must be programmed so that they know each other. This can be done either by a locksmith or a dealer, depending on the vehicle manufacturer. https://auto-locksmith81579.ezblogz.com/61065340/your-family-will-be-grateful-for-getting-this-car-key-reprogramming