How to Change the Entry Code: Keypad Method 1 Step 2: Engage the Lock. Make sure you've unlocked the door and it's open. ... Step 3: Prime the Lock for the New Code. Press the number 1 button. ... Step 4: Enter a New User Code. Enter a new user code that's between four and 10 digits long. ... Step 5: Test the New Code. Oct 20, 2022