1. Door should be open and unlocked
2. Remove the battery cover
3. Press the [REG] button
4. Enter the current master PIN code + [*] button
5. Press [1] followed by [*]
6. Press [2] followed by [*]
7. Press [1] followed by [*]
8. Enter user ID (1-50) followed by [*]
9. Enter a new user PIN code followed by [*]
or
8. Press [*]
9. Enter the new user PIN code followed by [*]
(User ID will be automatically assigned using this method)
Repeat from step 8 if registering more user PIN codes OR press [REG] button to end the registration