OnStar Services

See also:

Instrument Panel Illumination Control
This feature controls the brightness of the instrument panel controls and infotainment display screen. The thumbwheel is located to the left of the steering column on the instrument panel. : Mo ...

Manual Rearview Mirror
To adjust the inside rearview mirror, hold the rearview mirror in the center and move it to view the area behind the vehicle. For vehicles with a manual rearview mirror, push the tab forward for da ...

Control Buttons(radio with CD and Radio with CD/DVD/MEM)
The buttons used to control the radio are: RADIO/BAND: Press to turn the radio on and choose between AM, FM, and XM™, if equipped. Menu Knob: Turn to navigate the available menus. TUNE: T ...