2008 Toyota Camry Owners Manual - Page 202

3-1. Using the air conditioning system and defogger Adjusting the position of and opening and closing the air outlets Center outlets Direct air flow to the left or right, up or down. Right and left side outlets Direct air flow to the left or right, up or down. Turn the knob right to open the vent and left to close the vent. Rear outlets Direct air flow to the left or right, up or down. Turn the knob up to open the vent and down to close the vent. 178