Ford 2009 Mountaineer Owner's Manual page 481

Entertainment Systems
19. MENU: Press to access the DVD disc menu for selections. Press
MENU again when in the DVD disc menu to access the system set-up
menu.
20. SUBTITLE (DVD dependent): Press to turn the subtitle feature ON
or OFF.
21. LANGUAGE (DVD dependent): Press to select the desired language.
22. ENTER: Press to select the highlighted menu option.
23. ILLUMINATION: Press to illuminate the remote control and
backlight all of the buttons.
Battery replacement
Batteries are supplied with the remote control unit. Since all batteries
have a limited shelf life, replace them when the unit fails to control the
DVD player.
Remove the screw and unlatch the battery cover to access the batteries.
The remote control unit uses two AAA batteries which are supplied with
the unit.
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2009 Mountaineer (mnt)
Owners Guide, 2nd Printing
USA (fus)