Ally collection TSA lock set up instructions, default combination is 000, follow these four steps 1- put the three dials of the lock in 000 2- press down the reset small button with a pointy tool until you hear the click sound 3- set your own password by turning the dials to your desired three digit combination 4- press the main opening button as if you were opening the lock until you hear the click sound and the reset button is back to its original position. Do not lose your combination as you will not be able to open the lock without it