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.
See also:
Ending Cruise Control
There are three ways to end cruise control:
• To disengage cruise control; step lightly on the brake pedal.
• Press on the steering wheel.
• To turn off the cruise control, press
on the st ...
TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired
customers while in the vehicle. The available dealer&-installed TTY system can provide
in-vehicl ...
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...





