Using this Manual

To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found.

    See also:

    Air Vents
    Use the louvers located on the air vents to change the direction of the airflow. To open the vent, move the thumbwheel to . To close the vent, move the thumbwheel to . For vehicles with eAss ...

    OnStar®
    If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data collectio ...

    Special Application Services
    Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. Have underbody flushing service performed once a year. ...