2008 Toyota Highlander Owners Manual - Page 273

3-1. Using the air conditioning system and defogger Feet and windshield : Vehicles without rear air conditioning system n Switching between outside air and recirculated air modes Press . The mode switches between outside air mode (indicator OFF) and recirculated air mode (indicator ON) modes each time is pressed. Defogging the front windshield Set the air outlet selection dial to position. The air conditioning system control operates automatically. Recirculated air mode may automatically switch to outside air mode. 244