Webmay 15, 2024 · 1. Locate the red reset button on the inside of the safe’s door. Press and hold the reset button until you hear a beep. Enter your new desired code on the keypad, followed by the pound (#) key. The code is now reset, and you can test it by opening. Webapr 25, 2024 · to reset a sentinel gun safe, you will need to open the safe using the existing code or key, then locate the reset button on the inside of the door. Hi there and welcome. Webapr 25, 2024 · to reset the code on a sentinel gun safe, start by entering the existing code and opening the safe. Then, locate the reset button on the inside of the door, hold.