Key Programming and Data Transfer Key programming is the process used to make a brand new key work. The process is usually performed by a locksmith, or an agent. To program a new key, place it in the ignition and switch the key to "On" position without starting the vehicle. https://car-locksmith31264.ttblogs.com/8924776/a-rewind-the-conversations-people-had-about-car-key-programer-20-years-ago