2011 Chevrolet Cruze Owner's Manual - Page 195

Climate Controls Operation Tips . 8-7 Maintenance Passenger Compartment Air Filter The filter removes dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle. See Scheduled Maintenance on page 11‑2 See your dealer regarding replacement of the filter. Clear away any ice, snow, or leaves from air inlets at the base of the windshield that could block the flow of air into the vehicle. Keep the path under the front seats clear of objects to help circulate the air inside of the vehicle more effectively. Use of non‐GM approved hood deflectors can adversely affect the performance of the system. Check with your dealer before adding equipment to the outside of the vehicle. Use the thumbwheels (B) near the air vents to open or close off the airflow. Additional air vents are located beneath the windshield, driver and passenger side door windows, and in the footwells. These are fixed and cannot be adjusted. . .