GMC Chevrolet Tahoe 2011 Owner's Manual page 344

9-64 Driving and Operating
3. Select the Rear Camera Options
screen button. The Rear Camera
Options screen will display.
4. Select the Video screen button.
When the Video screen button is
highlighted the RVC
system is on.
The delay that is received after
shifting out of R (Reverse)
is approximately 10 seconds.
The delay can be cancelled by
performing one of the following:
Pressing a hard key on the
navigation system.
Shifting in to P (Park).
Reach a vehicle speed of
5 mph (8 km/h).
There is a message on the rear
vision camera screen that states
Check Surroundings for Safety.
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 58.
The symbols appear when an object
has been detected by the URPA
system. The symbol may cover the
object when viewing the navigation
screen.