What Are Key Programmers? Most modern cars have key / ignition systems that require a reprogramming event at some point. This is where key programmers come in handy. There are three scenarios in which shops may require key programming capabilities. The shop may have to program keys in three situations https://carlocksmith20852.worldblogged.com/35247877/15-shocking-facts-about-car-key-reprogramming-that-you-never-known