2000 Ford Expedition Owner's Manual - Page 53

Controls and features sent to the windshield defroster ducts. If the temperature is about 10°C (50°F) or higher, the air conditioner will automatically dehumidify the air to reduce fogging. • DEF -Distributes outside air through the windshield defroster ducts. It can be used to clear ice or fog from the windshield. If the temperature is about 10°C (50°F) or higher, the air conditioner will automatically dehumidify the air to reduce fogging. To aide in defogging and demisting (removing condensation on the inside of the windshield) in cool weather: 1. Select PANEL & FLOOR 2. Set the temperature control to full heat 3. Select A/C 4. Set the fan speed to HI 5. Direct the outer panel vents towards to side windows To increase airflow to the outer panel vents, close the central panel vents. Operating tips • In humid weather, select DEF before driving. This will reduce fogging on your windshield. After a few minutes, select any desired position. • To reduce humidity buildup inside the vehicle, don't drive with the climate control system in the OFF or MAX A/C position. • Don't put objects under the front seat that will interfere with the airflow to the back seats. • Remove any snow, ice or leaves from the air intake area (at the bottom of the windshield under the hood). 53