How do I turn on/off the aircon in the Opel Astra?

To turn on the aircon:

1. Locate the aircon control panel as shown in the image below.
   
2. Press the ON/OFF button.
3. Press the AUTO button to let the car automatically adjust your temperature.
4. Turn the knobs on both sides to your desired temperature
5. Press the buttons with the big and small fan icons to increase or decrease fan speed.

To turn off the aircon:

Press the ON/OFF button.