Key Programming Car Keys The majority of dealerships and brick and mortar locksmiths are equipped with tools to assist you in programming replacement keys or restore immobilizer data. These tools are usually bidirectional OBD-II devices. Insert the new key and switch it to the on position, without starting the engine. https://car-locksmiths21053.blog4youth.com/29973465/7-tips-about-car-key-programming-that-nobody-can-tell-you