Toyota 2014 Sienna Manual page 411

Adjusting the position of and opening and closing the air outlets
Center outlets
Right and left side outlets
SIENNA_OM_OM45483U_(U)
3-1. Using the air conditioning system and defogger
Direct air flow to the left or right,
up or down.
Adjusting: Direct air flow to the
Opening and closing:
Close the vent.
Open the vent.
left or right, up or
down.
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