OnStar Services

See also:

Power Mirrors
1. Turn the selector switch to L (Left) or R (Right) to choose the driver or passenger mirror. 2. Move the control to adjust the mirror. 3. Turn the selector switch to to deselect the mirro ...

What to Use
WARNING Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning ...

Active Fuel Management™
Your vehicle’s V8 engine may have Active Fuel Management™. This system allows the engine to operate on either all or half of its cylinders, depending on your driving conditions. When less po ...