OnStar

See also:

Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier. ○ Press to answer an incoming call when another call is active. The original call is placed on ...

California Proposition 65 Warning
Most motor vehicles, including this one, contain and/or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Engine exhaust, many parts and sys ...

How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine part ...