Car Key Reprogramming Reprogramming your car key is reprogramming the blank chip on a replacement key to make it compatible with your vehicle. It is much more efficient than ordering a new key from a dealer and can save you money. Locksmiths are usually the ones who perform this procedure. https://g28carkeys52472.blogdon.net/responsible-for-a-car-key-programmer-budget-twelve-top-ways-to-spend-your-money-45594696