How to Program a Car Key Modern cars have more than a key that starts the engine. They also come with a remote which can be used to lock or unlock doors. These key fobs must be programmed to work. Some car keys can be preprogrammed by the owner, however https://g28-car-keys43406.canariblogs.com/7-practical-tips-for-making-the-the-most-of-your-car-key-programing-44568313