Kohler K-77798T-0 Homeowner's Manual page 17

B. Nozzle clean
Method of washing the front/rear wash nozzle with a soft brush:
Under unseated status, push and hold the "nozzle oscillate" key on the "remote control" for 2 seconds, or
press and hold the front wash or rear wash key on the side panel to extend the nozzle.
Use a wet soft brush to clean the nozzle.
Press one of the above keys or the stop key on remote control one more time. The nozzle will retract or
the nozzle will retract automatically after 2 min.
Customer to remove nozzle for cleaning：
When unseated, push and hold the "oscillate" button on the "remote control" for 2 seconds, or press and
hold the front wash or rear wash button on the side panel to extend the nozzle.
Disconnect power supply within 2mins.
Remove nozzle along the arrow direction as shown.
Immerse nozzle into cleaning solution for 2 hours.
Clean with soft brush.
Mount nozzle back to original position along the dismantle direction.
Check nozzle clean function after power is ON.
Kohler Co. 17 1357243-T01-H