The cooling mode only functions with the blower turned on. The air is not cooled and humidity is not removed when cooling mode is switched off. This can cause fog on the windows. The cooling mode switches off automatically when there are cold outside temperatures.
You can adjust the blowe r from Oto III! using the dial. The blower should always run at a low setting to prevent the windows from fogging and to ensure a continuous exchange of air inside the vehicle. When the windows are fogged, using a higher blower speed and setting the knob to is recommended. You can open or close the center and rear vents in the cockpit and the vents in the rear center console using the ridged thumbwheels.
The levers adjust the direction of the airflow from the vents. To switch on the automatic recirculation mode, press the ldbAI button again. The upper LED in the button turns on. Recirculation mode switches on automatically when the engine is cold if you are driving in reverse.
The air quality sensor that is designed for diesel and gasoline exhaust automatically switches the recirculation mode on or off depend ing on the level of pollutants in the outside air. Automatic recirculation mode is time restricted when cooling mode (A/C) is switched off and frost temperatures are identified.