OnStar Services

See also:

Fuel System Messages
FUEL LEVEL LOW This message displays when the vehicle is low on fuel. Refill the fuel tank as soon as possible. A chime may sound when this message displays. See Filling the Tank. TIGHTEN GA ...

Engine Heater
The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should ...

Engine Cover
A. Oil Fill Cap B. Engine Cover Bolt C. Engine Cover To remove: 1. Remove the oil fill cap (A). 2. Remove the engine cover bolt (B). 3. Raise the engine cover (C) to release from the ret ...