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:

    Exterior
    Exterior To adjust the mirrors: 1. Turn the control knob to the L (left) or R (right) selecting the driver or passenger mirror. 2. Push the control knob to the left, right, up, or down to a ...

    Automatic Transmission Fluid
    How to Check Automatic Transmission Fluid It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the v ...

    DIC Operation and Displays
    The DIC has different displays which can be accessed by using the DIC buttons on the turn signal lever, located on the left side of the steering wheel. The DIC displays trip, fuel, and vehicle sys ...