Kohler K-6918 Installation And Care Manual page 12

Cap
Button
9. Secure the Seat
Once the seat is properly aligned with the bowl, tilt the seat up
and press the button to remove it from the pins.
Tighten the anchors.
Install the caps over the anchors.
Reinstall the seat back onto the pins.
1287824-2-A 12 Kohler Co.