Car Key Reprogramming Car key reprogramming involves programming an unprogrammed chip inside a car key replacement to make it compatible with your car. 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://auto-locksmith93780.idblogz.com/29764465/15-things-you-ve-never-known-about-car-key-programming