TOYOTA 2010 Camry - Manual (Page 223)

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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.