What Are Key Programmers? Many modern cars have key / ignition systems that require reprogramming at some time. This is the reason key programmers can be useful. There are three scenarios in which shops may require key programming capabilities. The shop may have to program keys in three different situations: https://carlocksmiths21334.answerblogs.com/29557001/15-up-and-coming-car-key-program-near-me-bloggers-you-need-to-be-keeping-an-eye-on