BOLT Locks work with that one key. You can either use the BOLT Key to set all your locks to or you can use YOUR Vehicle Ignition Key, this is available for select vehicle makes and models, please see below or if you can’t find YOUR Vehicle or you don’t want to use your ignition key to unlock the BOLT Locks, please see the BOLT Key Range, the BOLT key comes for free with purchases of the BOLT Key Range.