1997 Ford Aerostar Owner's Manual - Page 67

Select MIX to direct air to the floor and windshield defrosters at the same time. If the outside temperature is about 50˚F (9˚C) or warmer, the air will also be dehumidified to remove moisture. This feature will help prevent fogging in humid weather. The air can be cooled or heated. Select V to obtain maximum airflow to the windshield. Rotate the TEMP knob into the red area for the air temperature required to defrost. When the outside temperature is about 50˚F (9˚C) or warmer, the air will be dehumidified to remove moisture. Rotate the x knob on the left to increase the airflow. Operating Tips The following tips help you get the most satisfaction from your air conditioner and heater system: u In humid weather, select V before starting your engine. This helps prevent windshield fogging. After a few minutes of operation, you may select another airflow position. u To prevent humidity buildup inside your vehicle, always drive with the air conditioner and heater system turned on. interfere with the flow of air to the back seat area. intake area at the bottom of the windshield. u Do not put objects under the front seats that u Remove any snow, ice, or leaves from the air u For maximum heating, rotate the function selector knob to FLR, the temperature control knob to the red (warm) range, and the fan knob to HI. 64