2013 Subaru Impreza Owner's Manual - Page 198

3-80 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. Climate control system type C and type D Climate control system type A and type B To activate the defogger and deicer system, press the control switch that is located on the climate control panel. 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. 1) 2) 3) Rear window defogger Outside mirror defogger (if equipped) Windshield wiper deicer (if equipped) The vehicle is equipped with a rear The defogger and deicer system will automatically shut off after approximately 15 minutes. If the rear window and the outside mirrors have been cleared and the