How to open the internal circulation and external circulation of Audi Q5 air conditioner?

1. First, turn on the AC button of the air conditioner. This button should light up.

2. Then turn the button to align it with the key, as shown in the figure below.

3. When adjusting the internal and external circulation, it is best to turn the rotary button to the sign of the exhaust fan to ventilate, so as to make the air inside the car better.

4, and then press the button to the left is the inner ring, you can see the arrow inside the car.

5. Push the button to the right is the outer ring, and the arrow is outward.