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 situation. There are three situations where shops might need to have key programming capabilities. The shop might need to program keys in three different https://g28-car-keys43406.canariblogs.com/a-how-to-guide-for-car-key-reprogramming-from-start-to-finish-44675883