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:

    Services Not Included in Roadside Assistance
    • Impound towing caused by violation of any laws. • Legal fines. • Mounting, dismounting, or changing of snow tires, chains, or other traction devices. • Towing or services for vehicl ...

    Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
    If there are no currently recognized transmitters available, follow this procedure to program up to five transmitters. This feature is not available in Canada. This procedure will take approximate ...

    Power Seats
    The power seat controls are located on the outboard side of the seat cushions. • Move the seat forward or rearward by sliding the horizontal control forward or rearward. • Raise or lower ...