Key Programming Car Keys The majority of dealerships and brick and mortar locksmiths have tools that can help you program replacement keys or restore information from the immobilizer. These tools are usually bidirectional OBD-II devices. Insert the new key and switch it to the on position without triggering the engine. https://car-locksmiths05553.blogsuperapp.com/29762415/10-strategies-to-build-your-car-key-reprogramming-empire