What Are Key Programmers? The majority of modern vehicles have key / ignition systems that require a reprogramming event at some point. Key programmers are useful in this case. There are three scenarios where shops may need to have key programming capabilities. They could run into a no-start diagnostic, the https://g28-car-keys05395.digitollblog.com/29219224/car-key-reprogramming-101-a-complete-guide-for-beginners