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Key Programming and Data Transfer Key programming is the process used to make a new key work. This process is typically done by a locksmith, or a dealer. To program a key you need to insert it into the ignition and turn it to the "On" position without activating the vehicle. This should be done a certain number of times over the shortest amount of period of time. Key blanks The key blank is an essential part of the lock that is used to cut a new key. The key blank is constructed from a piece of steel that is usually nickel