Programming Car Keys Nowadays, cars have smart keys and key fobs that have to be programmed in order to function properly. The programming process can be carried out by a dealer for cars or with the help of special tools. Hardware stores aren't able to duplicate keys for modern cars. https://car-locksmith89309.snack-blog.com/29319710/how-the-10-worst-car-key-programmer-mistakes-of-all-time-could-have-been-prevented