1997 Ford Aerostar Owner's Manual - Page 70

Operating Tips The following tips will help you to get the most satisfaction from your heater system. u In humid weather, select V before starting your engine. This will help to prevent windshield fogging. After a few minutes, you may select another airflow position. vehicle, always drive with the heater system turned on. interfere with the flow of air to the back seat area. intake area at the bottom of the windshield. u To prevent humidity buildup inside your 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 blower knob to HI. Auxiliary Heater and Air Conditioner (If equipped) If your vehicle is equipped with a factory installed auxiliary unit (heater or heater/air conditioner), the front control assembly will include separate switches for FRONT and REAR fan control. Fan speed for front and rear systems can be set as desired by adjusting these switches. 67