2005 Subaru Legacy Owner's Manual - Page 245

Climate control NOTE In a vehicle equipped with an air conditioner, when the dial is placed in the " " position or " " position the air conditioner compressor automatically operates to quickly defog the windshield. However the indicator on the air conditioner button will not come on. At the same time, the air inlet selection is automatically set to "outside air" mode. In this state, you cannot select "recirculation" mode by manually pressing the air inlet selection button. Also, you cannot stop the air conditioner compressor by pressing the air conditioner button. Automatic climate control system (if equipped) NOTE " Operate the automatic climate control system when the engine is running. " The blower fan rotates at a low speed when the engine coolant temperature is low. For efficient defogging or dehumidifying in cold weather, press the "A/C" button. " Even when cooling is not necessary, setting the temperature much lower than the current outlet air temperature turns on the air conditioner compressor automatically and the "A/C" indicator light on the control panel comes on. The automatic climate control system automatically controls outlet air temperature, fan speed, air flow distribution air-inlet control, and air conditioner compressor operation. It activates when the "AUTO" button is pressed, and is used to maintain a constant, comfortable climate within the passenger compartment. The temperature can be set within a range of 65 to 85°F (18 to 32°C). 4-10