Key Programming Car Keys The majority of brick and mortar locksmiths and dealership parts departments have tools that can help you program replacement keys or restore immobilizer data. These tools are typically bidirectional OBD-II devices. Insert a new key and turn it to the on position without starting the engine. https://g28-car-keys94378.blog-kids.com/29431367/a-look-at-the-myths-and-facts-behind-car-key-reprogramming