HONDA 2008 Odyssey - Manual (Page 318)

If it takes several pushes on the
button to operate the rear
entertainment system, have your
dealer replace the batteries as soon
as possible.
The rear control panel can be
detached from the ceiling unit and
used as a remote control. To remove
it from the ceiling unit, press the
release button. The control panel will
swing down partway. Pivot it down
further past the detent until it
detaches from the hinge. To reinstall
it, reverse the procedure.
Battery type: BR3032
An improperly disposed of battery
can hurt the environment.
Always confirm local regulations for
battery disposal. Remote Control Replacing the Remote Control
Batteries
Rear Entertainment System
312
COVER
RELEASE BUTTON