TTY Users

OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:

    Engine Drive Belt Routing
    V6 Engines V8 Engines If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. ...

    Under the Hood
    General Motors offers a selection of five engines to accommodate a variety of cargo- and passenger-hauling requirements. Choices begin with a 200-horsepower, 4.3-liter V-6 for the G1500 van. Depen ...

    Infotainment
    Determine which radio the vehicle has and read the following pages to become familiar with its features. WARNING Taking your eyes off the road for extended periods could cause a crash resulting in i ...