How to Program a Car Key Modern cars come with more than just a key which can start the engine. They also have a remote control that allows you to lock or unlock doors. Key fobs need to be programmed to work. It is possible to program certain car keys https://auto-locksmith95691.webdesign96.com/29757479/car-key-programing-the-history-of-car-key-programing-in-10-milestones