Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

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    Courtesy Lamps
    The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position. ...

    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). See Fuel E85 (85% Ethanol). For all other vehicles, u ...

    Control of a Vehicle
    Braking, steering, and accelerating are important factors in helping to control a vehicle while driving. ...