Car Key Reprogramming Reprogramming a car key involves reprogramming the blank chip on an original key to make it compatible with your vehicle. It is much more efficient than buying a new key from the dealer and could save you money. This process is usually done by an expert locksmith. https://car-locksmith89309.snack-blog.com/29353848/20-things-you-should-have-to-ask-about-car-key-programmer-before-you-buy-car-key-programmer