Chevrolet Car Key Replacement: What Makes Chevy Keys Different
General Motors has used several generations of key technology across Chevrolet vehicles, and understanding which type your model uses is the first step toward a fast replacement. Older Chevrolets — roughly pre-2000 — used simple double-sided metal keys with no electronic component, meaning a replacement is cut directly from your Vehicle Identification Number or from a working key. From the early 2000s onward, Chevrolet adopted transponder keys: the blade still locks and unlocks the door mechanically, but a microchip embedded in the head must be programmed to the vehicle's ECU before the engine will start. Skip the programming step and the car cranks but refuses to fire — a frustrating situation that a trained technician can resolve in minutes on-site.
More recent Chevrolet models, including several Blazer and Blazer EV trims, use proximity smart keys or key fobs that communicate with the car wirelessly. These systems require dedicated programming equipment and, in many cases, all currently active keys must be present during the programming cycle. Our mobile units carry the hardware and software to handle GM's current protocols, which means we can complete a full Chevrolet car key replacement — cut, chip program, and fob sync — without a trip to the dealer and often in less time than scheduling a dealer appointment would take.