Key Programming Car Keys The majority of dealerships and brick and mortar locksmiths have tools to assist you in programming replacement keys or restore information from the immobilizer. These tools are usually bidirectional OBD-II units. Insert an additional key and turn it to the off position, without starting the engine. https://car-locksmiths21053.blog4youth.com/29939024/why-do-so-many-people-want-to-know-about-car-key-programming