See also:

Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner. Clean the rubber blades using a lint free cloth or paper towel soaked with windshield washer fluid or a mild detergent. Wash the windshield ...

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 ...

Using the Call Command
1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. Say “Call”. The system responds with “Call using <phone name>. Please say the name ta ...