Kohler K-5402T-0 Homeowner's Manual page 58

B. Nozzle Clean
Customer shall use a soft-bristled brush to clean rear wash/front wash spray wand for cleaning purpose.
Holding and pressing "wand move" button over 2s when unseated, or holding and pressing front
wash or rear wash on side panel, wand shall extend.
Customer shall be able to clean nozzle with a soft-bristled brush.
Press STOP button on side panel or remote, wand retract, or auto retract after 2 min.
Remove nozzle from wand and manual clean.
1302892-T01-B 58 Kohler Co.