What Are Car Key Programmers? Car key programmers are devices that can replicate a transponder into the memory of a vehicle. These are useful for replacing stolen or lost keys. They can be used to reset the oil service light and warning lights for tire pressure and many other functions. https://autolocksmiths67957.fare-blog.com/29526799/are-car-keys-programmed-really-as-vital-as-everyone-says