2011 Toyota Tundra Double Cab Owners Manual - Page 324
2011 Toyota Tundra Double Cab Manual
Page 324 highlights
3-1. Using the air conditioning system and defogger Front passenger side outlets Direct air flow to the left or right, up or down. Turn the knob to open or close the vent. Rear outlets (CrewMax models only) Direct air flow to the left or right, up or down. Turn the knob to open or close the vent. 298