How to change passwords 1.Using the same password before (default code is "0000") and then open the safe door. 2.Press and hold the * button, the red light flashes (Hold the " * " button and Not to loosen). 3.Press the new 4-digit code within 15 seconds, then press " # " button and the light stops flashing.(Hold the " * " button and Not to loosen in this process) 4.Release the " * " button and close the cabinet intact. 5.Use the new password to open the door for the next time.