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 a technology that prevents anyone but the dealership from reprogramming keys. Begin by inserting a blank key into the ignition without turning off the engine. https://g28carkeys69632.ssnblog.com/28765713/20-things-you-should-be-educated-about-car-key-programer