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:

    Tire Rotation
    Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule . Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time unusu ...

    UHP Controls
    Use the buttons located on the infotainment system and the steering wheel to operate the UHP system. Steering Wheel Controls Steering wheel controls can be used to: • Answer incoming call ...

    Climate and Air Quality
    Select the Climate and Air Quality menu and the following may be displayed: • Auto Fan Speed • Air Quality Sensor • Auto Heated Seats • Air Conditioning Mode • Remote Start Auto Hea ...