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Key Programming and Data Transfer Key programming is used to make a brand new key work. This procedure is usually performed by a dealer or a locksmith. To program a key you must insert it into the ignition and then turn it to the 'On' position without beginning the vehicle. This must be done a certain number of times in the shortest amount of time. Key blanks The key blank is the basic part of a lock that is cut to create the new key. The key blank is made from a piece of metal typically brass or silver, and may have a vari