What Are Key Programmers? Most modern cars have ignition and key systems that require reprogramming at some time. Key programmers are useful in this situation. There are three scenarios in which a shop might require key programming capabilities. They might encounter an error message that says "no-start, the customer wants https://car-locksmith29116.prublogger.com/28907385/what-is-car-key-reprogramming-and-how-to-use-it