Kohler K-4108 Guide Du Propriétaire page 13

Back of Docking Station
Replacing the Batteries
Remove the remote control from the docking station.
Remove the docking station from the wall by carefully lifting up
and out.
Push both tabs on the battery compartment outward at the same
time.
Open the door to the battery compartment.
Remove the batteries.
Install the replacement batteries, oriented according to the
diagram in the battery compartment.
Close the door to the battery compartment.
Reinstall the docking station on the wall.
Kohler Co. 13 1194356-5-E