Chevrolet 2007 Avalanche Navigation Manual page 55

Adjusting the Brightness and Contrast
of the Screen
To adjust the brightness and contrast of the
screen, press the MENU key while the rear vision
camera image is on the display. Any adjustments
made will only effect 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.
When the System Does Not Seem To
Work Properly
The rear vision camera system may not work
properly or display a clear image in the following
situations:
•
The feature may be turned off. See
"Turning the Rear Vision Camera System
On or Off" previously to turn the system on.
•
In the dark.
•
When the sun or the beam of headlights is
shining directly into the camera lens.
•
If ice, snow, mud, or anything else builds up
on the camera lens. Clean the lens, rinse it
with water, and wipe it with a soft cloth.
•
If the back of the vehicle is in an accident, the
position and mounting angle of the camera
may change or the camera may be affected.
Be sure to have the camera and its position
and mounting angle checked at your dealer.
•
Extreme high or low temperatures or extreme
temperature changes can affect the image
displayed.
•
If the back of the vehicle is in an accident, the
camera may be affected. Have the rear vision
camera system checked at your dealer.
Rear Vision Camera Error Messages
Rear Vision Camera System Unavailable:
This message may display when the system
is not receiving information it requires from
other vehicle systems.
If any other problem occurs or if a problem
persists, see your dealer.
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