Programming Car Keys at Home Reprogramming car keys is a difficult procedure that requires special tools that are only available to auto locksmiths. Certain manufacturers have technology that prohibits anyone else than the dealership from reprogramming keys. Begin by inserting a blank key into ignition, without turning off the engine. https://g2891723.blogerus.com/51993081/15-funny-people-working-secretly-in-car-key-programer