Car Key Reprogramming Reprogramming a car key entails programming the chip blank on a replacement key to make it compatible with your vehicle. It is much more efficient than ordering a new key from the dealer and could save you money. Locksmiths are typically the ones who execute this process. https://g28-car-key-solutions93079.blogrelation.com/35457891/how-to-explain-car-key-programmer-to-your-grandparents