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.

    See also:

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

    Ride Control System Messages
    SERVICE STABILITRAK If the vehicle has StabiliTrak and this message displays, it means there may be a problem with the StabiliTrak system. If you see this message, try to reset the system. Stop; tur ...

    Playing the Radio
    (Power/Volume): Press to turn the system on and off. Turn to increase or decrease the volume. For vehicles with a Rear Seat Entertainment (RSE) System, press and hold for more than two seconds to tu ...