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Key Programming and Data Transfer The goal of key programming is to get the new car key to work. The process is typically carried out by a dealer or 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. This should be done a specific number of times over a short period of time. Key blanks The key blank is a basic element of the lock that is used to cut a new key. The key blank is constructed out of a piece made of metal, usually brass