2012 Subaru Legacy Owner's Manual - Page 252

3-34 Instruments and controls Defogger and deicer window defogger. Some models are also equipped with an outside mirror defogger and/or windshield wiper deicer. The defogger and deicer system is activated only when the ignition switch is in the "ON" position. Control switch (type B) Control switch (type A) To activate the defogger and deicer system, press the control switch. The rear window defogger, outside mirror defogger and windshield wiper deicer are activated simultaneously. The indicator light on the control switch illuminates while the defogger and deicer system is activated. To turn them off, press the control switch again. They also turn off when the ignition switch is turned to the "Acc" or "LOCK" position. The defogger and deicer system will automatically shut off after approximately 15 minutes. If the rear window and outside mirrors have been cleared and the windshield wiper blades have been deiced completely before that time, press the control switch to turn them off. If defrost- 1) 2) 3) Rear window defogger Outside mirror defogger (if equipped) Windshield wiper deicer (if equipped) The vehicle is equipped with a rear