Without keys not sure, but with mine i had it open pressed the red reset button on the bottom of the door, closed the door not locking it, put in my 4 digits pressed A at the bottom of keypad and locked it with the light on, to unlock put the 4 numbers in and A and unlock while the light it lit.
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Without keys not sure, but with mine i had it open pressed the red reset button on the bottom of the door, closed the door not locking it, put in my 4 digits pressed A at the bottom of keypad and locked it with the light on, to unlock put the 4 numbers in and A and unlock while the light it lit.