Display Settings
Press the Config button on the Home Page or the CONFIG button on the faceplate, then select Display Settings from the list.
The following options may display: Dimming Mode: Press to change the screen background. The Automatic setting adjusts the screen background automatically depending on the exterior lighting conditions.
To change the overall brightness setting for the display, use the vehicle interior lighting instrument panel illumination control.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Vehicle Symbol Chart
Here are some additional symbols that may be found on the vehicle and what they
mean. For more information on the symbol, refer to the Index.
: Airbag Readiness Light
: Air Conditioning
: Antilo ...
Radio(s)
VOL/ : Press to turn the system
on and off. Turn to increase or
decrease the volume.
RADIO/BAND or SOURCE: Press
to choose between FM, AM,
or XM™, if equipped.
Menu Knob: Turn to select r ...
