GMC 2010 Acadia Owner's Manual page 295

Adjusting the Brightness and
Contrast of the Screen
To adjust the brightness and
contrast of the screen, press the
MENU button while the rear vision
camera image is on the display.
Any adjustments made will only
affect the rear vision camera screen.
(Brightness) : Touch the
+ (plus) or (minus) screen buttons
to increase or decrease the
brightness of the screen.
(Contrast) : Touch the + (plus)
or (minus) screen buttons to
increase or decrease the contrast
of the screen.
Symbols
The navigation system may have
a feature that lets the driver view
symbols on the navigation screen
while using the rear vision camera.
The Ultrasonic Rear Park Assist
(URPA) system must not be
disabled to use the caution symbols.
If URPA has been disabled and
the symbols have been turned on,
the Rear Parking Assist Symbols
Unavailable error message may
display. See Ultrasonic Parking
Assist on page 9 35.
The symbols appear when an object
has been detected by the URPA
system. The symbol may cover the
object when viewing the navigation
screen.
Driving and Operating
To turn the symbols on or off:
1. Make sure that URPA has not
been disabled.
2. Shift into P (Park).
3. Press the MENU hard key to
enter the configure menu
options, then press the MENU
hard key repeatedly until Display
is selected or touch the Display
screen button.
4. Select the Rear Camera Options
screen button. The Rear Camera
Options screen will display.
5. Touch the Symbols screen
button. The screen button will be
highlighted when on.
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