Programming Car Keys at Home Car key reprogramming is a procedure which requires specialized equipment only auto locksmiths have access to. Certain manufacturers have a technology that stops anyone other than the dealership from changing keys. Begin by inserting a blank key into the ignition, without turning the engine on. https://g28carkeys42733.p2blogs.com/28806686/the-best-car-key-programmed-experts-are-doing-three-things