What Are Key Programmers? The majority of modern vehicles have key / ignition systems that require reprogramming at some point. Key programmers are helpful in this case. There are three scenarios where shops might need to have key programming capabilities. The shop might need to program keys in three situations: https://g28carkeysolutions49757.timeblog.net/65266472/why-incorporating-a-word-or-phrase-into-your-life-will-make-all-the-change