2005 Subaru Legacy Owner's Manual - Page 227

Instruments and controls Windshield wiper deicer (if equipped) tion switch is turned to the "ACC" or "LOCK" position. If deicing is not complete, you have to push the button to turn the deicer on again. Your SUBARU dealer can set your windshield wiper deicer for continuous operation. Contact your SUBARU dealer for details. Once the windshield wiper deicer has been set for continuous operation, pressing the button results in continuous operation. The windshield wiper deicer automatically stops operating if any one of the following conditions occurs during continuous operation. " The outside temperature becomes 41°F (5°C) or higher. " The vehicle speed remains at 9 mph (15 km/h) or lower for 15 minutes. " The battery voltage decreases below the permissible level. UB3213BA The windshield wiper deicer operates only when the ignition switch is in the "ON" position. Before turning on the windshield wiper deicer, remove any snow from the windshield. To turn on the windshield wiper deicer, push the button. The indicator light located on the button lights up while the windshield wiper deicer is operating. The windshield wiper deicer will automatically shut off after about 15 minutes. If the windshield wiper blades have been deiced completely before that time, push the button to turn it off. It also turns off when the igni3-56