Subaru BRZ Manuals 2015 BRZ Owner's Manual | Page 256

3-1. Using the air conditioning system and defogger Rear window and outside rear view mirror defoggers The rear window defogger is used to defog the rear window. The outside rear view mirror defoggers* are used to remove frost, dew or raindrops from the outside rear view mirrors. Vehicles with a manual air conditioning system On/off The defoggers will automatically turn off after approximately 15 minutes. Vehicles with an automatic air conditioning system On/off The defoggers will automatically turn off after approximately 15 minutes. *: Vehicles with outside rear view mirror defoggers 254