What Are Car Key Programmers? The car key programmers can clone the transponder of a vehicle. These are useful for replacing keys that have been stolen or lost. They can also be used to reset the oil service light as well as tire pressure warning lights and many other functions. https://carlocksmith79505.bloggactif.com/30168644/how-to-choose-the-right-car-keys-programmed-on-the-internet