Programming Car Keys at Home Reprogramming your car keys is a difficult procedure that requires tools that are only available to auto locksmiths. Some manufacturers have technology that prevents anyone except the dealership from reprogramming your keys. Start by inserting a blank key into ignition without turning the engine on. https://g2809755.glifeblog.com/28670219/10-startups-that-ll-change-the-car-key-programer-industry-for-the-better