Programming Car Keys at Home Reprogramming car keys is a complicated procedure that requires tools that are available only to auto locksmiths. Certain manufacturers have technology that blocks anyone else than the dealer from reprogramming your keys. Begin by inserting a blank key into ignition, without turning off the engine. https://auto-locksmith95691.webdesign96.com/29920212/what-is-car-key-programmed-and-why-is-everyone-dissing-it