2011 Toyota Corolla Owners Manual - Page 222
2011 Toyota Corolla Manual
Page 222 highlights
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. 202