See also:

Roadside Assistance and OnStar
If you have an active OnStar subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay y ...

Cleaning Exterior Lamps/Lenses and Emblems
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

Radio Menus (Radio with CD and Touchscreen)
Tone Menu To access the sound menu, press the TONE button. Use the sound menu to adjust the following features: Bass Middle Treble EQ Fade Balance Setting the Tone To adjust the ba ...