What Are Key Programmers? Most modern cars have key / ignition systems which require a reprogramming at some point. Key programmers can be useful in this scenario. Three situations may require a shop to have key-programming capabilities. The shop might need to program keys in three different situations: a customer https://car-locksmith29116.prublogger.com/28907385/what-is-car-key-reprogramming-and-how-to-use-it