Kohler BD-N450US Guía De Propietario página 7

Operation (cont.)
R - Front: Press the icon to activate the front wash feature. Press
the icon a second time to start the spray wand oscillation feature.
Front wash operation will stop automatically after 2 minutes, and
can be resumed by pressing the icon again. See the "Remote
Control Operation" section to adjust the spray wand position.
Kohler Co. 7 1321455-5-A