See also:

Exterior Lighting
The exterior lamp control is located on the instrument panel on the outboard side of the steering wheel. : Turns off the exterior lamps. The knob returns to the AUTO position after it is released ...

Engine Coolant Heater
Your vehicle may have an engine coolant heater. In very cold weather, 0°F (−18°C) or colder, the engine coolant heater can help. You will get easier starting and better fuel economy durin ...

How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...