2004 Subaru Legacy Owner's Manual - Page 193
2004 Subaru Legacy Manual
Page 193 highlights
Climate control OUT.TEMP switch To check the outside air temperature, push the "OUT.TEMP" switch. The outside air temperature will be displayed for five seconds, and then the display automatically changes back to the inside air temperature. The display changes over from the inside air temperature to the outside air temperature as its normal indication if you keep the switch pressed for more than 2 seconds. NOTE The outside air temperature display shows the outside air temperature in a range from -22 to 131°F (-30 to 55°C). You can check the outside air temperature even when the Automatic Climate Control is off. (The ignition switch should be in the "ON" position.) In the following cases, the display can indicate a higher temperature than the actual outside air temperature: - In direct sunlight - When the vehicle is parked for a long period of time with the engine kept running. - During stop and go driving - Defroster switch To defrost or dehumidify the windshield and side win4-14 dow, push the defroster switch " ". When the " " switch is pushed, regardless whether the air conditioner is operating or not, outside air is drawn into the passenger compartment, the air conditioner compressor turns on, air flow is directed towards the windshield and side windows, and the indicator light " " on the control panel comes on. Even with the defroster switch pushed, you can turn the air conditioner ON/OFF and select interior air recirculation or outside air introduction as desired. After eliminating the fogging from the windshield, set the air conditioner back in the AUTO mode by pushing the "AUTO" switch or turn off by pushing the "OFF" switch or " " switch.