What Are Car Key Programmers? The car key programming software can duplicate the transponder of the vehicle. They are useful for replacing keys that have been stolen or lost. They can also be used to reset the oil service light and warning lights for tire pressure and many other functions. https://car-locksmith46591.loginblogin.com/36060057/15-shocking-facts-about-car-keys-programmed-that-you-didn-t-know