What Are Car Key Programmers? The car key programmers are able to clone the transponder of the vehicle. These can be used to replace keys that were stolen or lost. They can be used to reset the oil service light and warning lights for tire pressure, and many other functions. https://carlocksmith79505.bloggactif.com/30203988/why-car-keys-programmed-might-be-your-next-big-obsession