Key Programming Car Keys Most dealerships and brick and mortar locksmiths have tools to help you program replacement keys or restore information from the immobilizer. These tools are usually bidirectional OBD-II units. Insert a new, blank key and turn the ignition on to the "on" position, without starting the vehicle. https://auto-locksmiths10548.dreamyblogs.com/29613273/the-history-of-car-key-programmed-in-10-milestones