2009 Toyota 4Runner Owners Manual - Page 259

3-1. Using the air conditioning system and defogger n Switching between outside air and recirculated air modes Press . (outside air mode) and The mode switches between (recirculated air mode) each time the switch is pressed. Adjusting the position and opening and closing the air outlets Front center outlets Direct air flow to the left or right, up or down. Turn the knob to open or close the vent. 236