Set the code to "0-0-0" if you have not used the lock before. If you have used the lock before, enter the three-digit combination you previously set.
Push the lock's cable all the way in by holding down the "Retract" button located on the left side of the lock.
Push the cable head down into the left hole on the top of the lock. Only the rounded tip of the cable head is visible when yo do this correctly.
Turn the dials to select your new three-digit combination. Pull out the cable when you are finished and scramble the dials to set the lock.