Programming Car Keys at Home Reprogramming car keys is a process that requires specialized equipment that only auto locksmiths have access to. Certain manufacturers have technology that prohibits anyone else than the dealership from changing keys. Start by inserting an empty key into the ignition without turning the engine off. https://auto-locksmiths16863.dgbloggers.com/29636881/how-to-beat-your-boss-on-car-key-programer