Key Programming and Data Transfer Key programming is used to make a new key work. The process is typically performed by a dealer or a locksmith. To program a key, you need to insert it into the ignition, and then turn it to the "On" position without starting the vehicle. https://g28-car-keys01208.blogunteer.com/28768125/15-gifts-for-the-car-key-programer-lover-in-your-life