Programming Car Keys at Home Reprogramming your car keys is a process that requires special equipment that only auto locksmiths have access to. Some manufacturers have technology which prevents anyone but the dealership from changing keys. Begin by inserting an empty key into the ignition without turning the engine on. https://autolocksmiths04400.jts-blog.com/28669656/10-untrue-answers-to-common-car-key-programer-questions-do-you-know-which-ones