What Are Key Programmers? Most modern cars have key / ignition systems that require reprogramming at some point. Key programmers are helpful in this situation. There are three scenarios in which shops might need to have key programming capabilities. The shop might need to program keys in three different situations: https://g2827265.ziblogs.com/29337422/car-key-programming-near-me-isn-t-as-difficult-as-you-think