2008 Toyota Highlander Owners Manual - Page 291

3-1. Using the air conditioning system and defogger n The defogger can be operated when The "ENGINE START STOP" switch or the engine switch is in the ON. n Outside rear view mirror defoggers (vehicles with outside rear view mirror defoggers) Turning the rear window defogger on will turn the outside rear view mirror defoggers on. CAUTION n Outside rear view mirror defoggers (vehicles with outside rear view mirror defoggers) The surfaces of the outside rear view mirrors become hot. Do not touch them to prevent from burning yourself. 262