Close the suitcase fully
Find the lock mechanism on the suitcase
Set the dials to the current code or factory code
Press or slide the reset button, lever, or switch
Hold the reset mechanism in the reset position
Turn the dials to your new code
Release the reset button, lever, or switch
Scramble the dials to confirm the new code is set
Test the new code by opening and closing the lock
Record the new code in a safe place