Programming Car Keys at Home Reprogramming keys for cars is a complex procedure that requires special tools that are only available to auto locksmiths. Some manufacturers have technology that blocks anyone except the dealership from reprogramming keys. Start by inserting a blank key into the ignition without turning the engine https://carlocksmith37455.shotblogs.com/what-is-car-key-programmed-and-why-is-everyone-talking-about-it-43462657