What Are Car Key Programmers? Car key programmers are devices that replicate a transponder into the memory of a vehicle. These are useful for replacing keys that are stolen or lost. These can be used to reset the oil service light and tire pressure warning lights and other lights. These https://autolocksmiths03567.blogdun.com/29816051/10-things-everybody-gets-wrong-about-the-word-car-key-reprogramming