For 1990-2009 cars only
Use the thumbwheel on the outlets to change the direction of the air flow.
Lift up or push down on the thumbwheel located in the center of the outlet to direct the air up or down, or slide the thumbwheel to the left or right to direct the airflow from side-to-side.
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. |
