What Are Key Programmers? Modern cars have ignition and key systems that require to be reprogrammed at some point. This is where key programmers can be useful. There are three situations where a shop might require key programming capabilities. The shop might need to program keys in three different situations: https://g28carkeysolutions74480.anchor-blog.com/9695146/car-key-reprogramming-tools-to-help-you-manage-your-life-everyday