OnStar

See also:

Road Sensing Suspension
The Road Sensing Suspension (RSS) feature provides superior vehicle ride and handling under a variety of passenger and loading conditions. The system is fully automatic and uses a computer controll ...

Selecting a Band
Press the RADIO/BAND button to choose AM, FM, or XM, if equipped. The last station that was playing starts playing again. ...

Power Steering Fluid
See Engine Compartment Overview for reservoir location. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless a leak is suspected in the syst ...