For 1990-2009 cars only
Use the levers located in the middle of the front outlets to change the direction of the airflow and use the shutoff wheels to adjust the amount of airflow.
You can adjust the rear seat outlet direction of the airflow using the lever in the center of each outlet.
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 your 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 your vehicle more effectively. |
