What Are Key Programmers? Most 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 where shops might need to have key programming capabilities. They might encounter a no-start diagnostic, the customer wants an https://autolocksmiths74202.pointblog.net/10-ways-to-create-your-car-key-reprogramming-empire-70873503