What Are Key Programmers? Most modern cars have key / ignition systems that require a reprogramming event at some time. This is where key programmers can be useful. There are three scenarios in which a shop might require key programming capabilities. They could run into an issue with no-starting diagnostics https://car-locksmiths10168.ambien-blog.com/35640409/10-car-key-reprogramming-that-are-unexpected