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:

    Rear Doors (Extended Cab)
    Rear Doors (Extended Cab) To open a rear access door from the outside, first open the front door. Then, use the handle located on the front edge of the rear access door to open it. The rear acces ...

    Entry Lighting
    For vehicles with courtesy lamps, they come on and stay on for a set time whenever is pressed on the Remote Keyless Entry (RKE) transmitter. If a door is opened, the lamps stay on while it is open a ...

    Seat Adjustment
    WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you ...