Key Programming and Data Transfer The purpose of key programming is to make the new car key working. This procedure is usually done by a locksmith, or the dealer. To program a new key, insert it into the ignition and switch the key to "On" position without launching the car. https://autolocksmiths27876.luwebs.com/29970920/are-you-confident-about-doing-car-key-programer-take-this-quiz