For 1990-2009 cars only
Use the knob located below or to the side of the outlet, to change the direction of the air flow.
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 your vehicle more effectively. |
| • | If the airflow seems low when the fan is at the highest setting, the passenger compartment air filter, if equipped, may need to replaced. For more information, see Passenger Compartment Air Filter and Part A: Scheduled Maintenance Services . |
