Key Programming and Data Transfer Key programming is used to make a brand new key work. This process is typically carried out by a locksmith or the dealer. To program the new key, simply insert it in the ignition and switch the key to "On" position without starting the vehicle. https://autolocksmiths42227.bloggactivo.com/28988480/don-t-buy-into-these-trends-about-car-key-programer