Kohler K-657 User Manual page 42

Settings Lock (cont.)
To deactivate the settings lock function you need to input the 4 digit code 1012.
Using the dial, scroll to and select "Interface."
Press the [OK Icon] to select.
Scroll to "Settings Lock."
Press the [OK Icon] to select.
Reenter the four-digit code.
1079815-5-A 42 Kohler Co.