How to Program a Car Key Modern cars have more than just a key to start the engine, they also include a remote to lock and unlock doors. These key fobs have to be programmed in order to work. Certain keys for cars can be preprogrammed by the owner, however https://autolocksmiths66500.actoblog.com/29966089/10-things-everybody-has-to-say-about-car-key-programer