Car Key Reprogramming Reprogramming your car key is programming the chip blank on a replacement key to make it compatible with your vehicle. It's much more efficient than buying a new key from a dealer and can save you money. Locksmiths are usually the ones who carry out this process. https://autolocksmith93590.blogtov.com/9879438/the-10-most-scariest-things-about-car-key-programmer