2008 Ford F250 Owner Guide 4th Printing - Page 76

Climate Controls HEATER ONLY SYSTEM (IF EQUIPPED) 1. Fan speed adjustment: Controls the volume of air circulated in the vehicle. 2. Temperature selection: Controls the temperature of the airflow in the vehicle. 3. Air flow selections: Controls the direction of the airflow in the vehicle. See the following for a brief description on each control: : Distributes outside air through the instrument panel vents. : Distributes outside air through the instrument panel vents and the floor vents. O (OFF): Outside air is shut out and the fan will not operate. : Distributes outside air through the floor vents. : Distributes outside air through the windshield defroster vents, floor vents and demister vents. : Distributes outside air through the windshield defroster vents and demister vents. Can be used to clear windshield of fog and thin ice. Operating tips • To reduce fog build up on the windshield during humid weather, place position. the air flow selector in the • To reduce humidity build up inside the vehicle during cold or warm weather, do not drive with the air flow selector in the O (OFF) position. • Do not put objects under the front seats that will interfere with the air flow to the rear seats. • Remove any snow, ice or leaves from the air intake area at the base of the windshield. To aid in side window defogging/demisting in cold weather: 1. Select . 2. Modulate the temperature control to maintain comfort. 3. Set the fan speed to the highest setting. 4. Direct the outer instrument panel vents toward the side windows. 76 2008 F-250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA (fus)