Key Programming Car Keys Most brick and mortar locksmiths as well as dealership parts departments have tools to assist you in programming replacement keys or restore immobilizer information. These tools are typically bidirectional OBD-II devices. Insert an additional key and turn it to the on position without triggering the engine. https://autolocksmiths59211.ampedpages.com/why-do-so-many-people-want-to-know-about-car-key-programming-56687314