OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview.

    See also:

    Engine Oil Pressure Light
    Notice: Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. The repairs would not be covered by the vehicle warranty. Check the o ...

    Maintenance Schedule
    Owner Checks and Services At Each Fuel Stop . Check the engine oil level. See Engine Oil  . Once a Month . Check the tire inflation pressures. See Tire Pressure  . . Inspect the tires f ...

    Fuel E85 (85% Ethanol)
    Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasolin ...