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 ...

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. Avoid fast starts and accelerate smoothly. Brake gradually and avoid abrupt stops. A ...

Power Outlets
Accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. There are three accessory power outlets. The power outlets located below the climate c ...