OnStar Services

See also:

Overhead Console
Your vehicle may have this feature. The overhead console may include reading lamps, a Universal Home Remote and a sunroof switch. ...

Control Buttons
The buttons used to control the XM radio are: RADIO/BAND or SRCE (Source): Press to turn the radio on and choose between AM, FM, and XM. or : Press to go to the previous or next channel. FAV ...

Checking the Fluid Level
Prepare your vehicle as follows: 1. Park your vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in PARK (P). 3. With your foot on the b ...