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.

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    Under the Hood
    A 291-hp, 4.2-liter inline-six-cylinder is standard, and a 300-hp, 5.3-liter V-8 is optional. A four-speed automatic is the sole transmission. ...

    Air Conditioning Mode
    This allows selection of automatic start of the air conditioning upon vehicle start. Selecting On indicates the air conditioning will be on when the vehicle is started. Selecting Off turns t ...

    Engine Coolant Temperature Gauge
    English Shown, Metric Similar This gauge shows the engine coolant temperature. If the indicator needle moves to the hot side of the gauge toward the shaded area, the engine is too hot. If the v ...