Kohler C3-130 Homeowner's Manual page 12

Clean the Nozzle
NOTE: The Nozzle can only be extended for cleaning when the seat is not
activated or occupied.
Open the lid and ring.
Press and hold the BIDET WAND button for over 2 seconds, clean the bidet
wand with a soft mane brush until the bidet wand fully extend.
After having the bidet wand cleaned, press and hold the BIDET WAND button
for over 2 seconds, the bidet wand will retract. Otherwise, the bidet wand will
automatically retract after a while.
1194356-T01-S 12 Kohler Co.