TTY Users

OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.

    See also:

    Returning the Seat to the Seating Position
    To return the seatback to the seating position: 1. From the rear of the vehicle, raise the seatback to the upright position using the pullstrap on the back of the third row seat, or lift the seatback ...

    Owner Checks and Services
    At Each Fuel Stop • Check the engine oil level. See Engine Oil on page 10‑7. Once a Month • Check the tire inflation pressures. See Tire Pressure on page 10‑62. • Inspect the tir ...

    Headlamp Wiring
    An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. ...