How to Program a Car Key Modern cars come with more than just a key which can start the engine. They also come with a remote control that allows you to lock or unlock doors. Key fobs have to be programmed in order to function properly. Certain keys for cars https://autolocksmiths56303.aboutyoublog.com/30522750/car-key-programer-11-things-you-re-forgetting-to-do