Toyota TUNDRA 2009 Manual page 286

3-1. Using the air conditioning system and defogger
Front passenger side outlets
Rear outlets (CrewMax models only)
290
Direct air flow to the left or
right, up or down.
Turn the knob to open or close
the vent.
Direct air flow to the left or
right, up or down.
Turn the knob to open or close
the vent.