1996 Mercury Sable Owner's Manual - Page 80

P (Floor and defrost) This brings in outside air through the floor ducts and the windshield defroster ducts. It can be used for heating or ventilation. V (Defrost) This brings in outside air through the windshield defroster ducts. It can be used to clear ice or fog from the windshield. Temperature control knob The temperature control knob may be adjusted from cool (blue range) to warm (red range). Electronic Automatic Temperature Control System The control for your Electronic Automatic Temperature Control (EATC) is located at the center of the instrument panel in the Integrated Control Panel and will operate only when the ignition is turned on to the ON position. The EATC feature will maintain the temperature you select and automatically control the airflow for your comfort. It also allows you to override the automatic operation with manual override buttons. 95