2011 Ford F450 Super Duty Crew Cab Owner Guide 4th Printing - Page 78
2011 Ford F450 Super Duty Crew Cab Manual
Page 78 highlights
Climate Controls 5. Recirculated air (if equipped): Press to activate/deactivate air recirculation in the vehicle. Recirculated air may reduce the amount of time needed to cool down the interior of the vehicle and may also help reduce undesired odors from reaching the interior of the vehicle. Recirculated air engages automatically when MAX A/C is selected or can be engaged manually in any airflow mode except (defrost). When the ignition switch is turned off and back on, the climate system will return to the recirculated air mode only if the A/C button LED is (panel) illuminated and the air distribution selection is either (panel/floor). or 6. MAX A/C (if equipped): Distributes recirculated air through the instrument panel vents to cool the vehicle. This re-cooling of the interior air is more economical and efficient than normal A/C mode. Recirculated air may also help reduce undesirable odors from entering the vehicle. Press the MAX A/C button again for normal A/C operation. 7. Temperature control: Controls the temperature of the airflow in the vehicle. Fan speed adjustment: Controls the volume of air circulated in 8. the vehicle. Power: Press to activate/deactivate the climate control system. 9. When the system is off, outside air is prevented from entering the vehicle. Operating tips • To reduce fog build-up on the windshield during humid weather, (defrost) or (floor/defrost). Temperature and/or fan select speed can also be increased to improve clearing. • To reduce humidity build-up inside the vehicle: do not drive with the system off or with recirculated air engaged and A/C off. • Do not put objects under the front seats that will interfere with the airflow to the back seats. • Remove any snow, ice or leaves from the air intake area at the base of the windshield. • To improve the A/C cool down, drive with the windows slightly open for 2-3 minutes after start up or until the vehicle has been "aired out." • A small amount of air may be felt from the floor vent regardless of the air distribution setting that is selected. 78 2011 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)