2004 Ford F350 Owner Guide 3rd Printing - Page 38

Climate Controls 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. OFF: Outside air is shut out and the fan will not operate. : Distributes outside air through the instrument panel vents and the floor vents. : Distributes outside air through the floor vents. : Distributes outside air through the windshield defroster vents and floor vents. : Distributes outside air through the windshield defroster vents. Operating tips • To reduce fog build up on the windshield during humid weather, place the air flow selector in the position. • To reduce humidity build up inside the vehicle during cold or warm weather, do not drive or leave the vehicle parked with the air flow selector in the 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. To increase airflow to the outer instrument panel vents, close the vents located in the middle of the instrument panel. 38 2004 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus)