1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 125

Heating Defogging and Defrosting Windows for clearing the front and On cold days, use FLOOR with the temperature knob all Your system has two settings the wayin the red area. The system will bring in outside side windows. For each setting, adjust the temperature control as desired. air, heat it and sendit to the floor ducts. To defrost the windows quickly, rotate the temperature control knob all the way in the red area. Use DEFROST and adjust the fan to the highest speed. To warm passengers while keeping the windows clean, use DEFOG. If your vehicle has an engine coolant heater, you can use Your vehicle is equipped with side window defogger it to help your system provide warm a i r faster when it's cold outside(0°F (- 18O C) or lower). An engine coolant vents. The side window defogger vents are located on the outside of the side instrument panel vents. For heater warms the coolant your engine and heating additional side window defogging, rotate the mode system useto provide heat.See "Engine Coolant control to VENT, rotate the fan control to the highest Heater" in the Index. speed, press A/C and aim the side vents on the instrument panel to the windows. For increased airflow to the side windows, close the center vents. Your vehicle has heat ducts that are directed toward the rear seat. Keep thearea under the front seats clearof obstructions sothe heated air can reach the rear seat passengers. RECIRCULATION will not work in DEFROST and DEFOG. This is done to prevent recirculation of humid inside air and allow the system to work properly.