OnStar Services

See also:

Accessories and Modifications
When non-dealer/non-retailer accessories are added to the vehicle, they can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissi ...

Trip/Fuel Menu Items
Press MENU on the turn signal lever until the Trip/Fuel Menu is displayed. Use to scroll through the following menu items: Digital Speedometer Trip 1 Trip 2 Fuel Range Average Fuel Eco ...

Remaining Oil Life
This display shows an estimate of the oil's remaining useful life. If REMAINING OIL LIFE 99% is displayed, that means 99% of the current oil life remains. When the remaining oil life is low, ...