Use the outlets located near the center and on the sides of the instrument panel to change the direction of airflow.
| • | 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. |