GM Service Manual Online
For 1990-2009 cars only

To open an outlet, press on its cover. Turn the cover to change the direction of the airflow.

Operation Tips

    • Clear away any ice, snow or leaves from the air inlets at the base of the windshield that may block the flow of air into the vehicle.
    • Use of non-GM approved hood deflectors may adversely affect the performance of the system.
    • Keep the path under the front seats clear of objects to help circulate the air inside of the vehicle more effectively.