See also:

Displays in the instrument cluster
Indicator lamp Depending on how the vehicle is equipped, the indicator lamp in the instrument cluster indicates whether the system is switched on. Desired speed ► The marking lights up ...

Microfilter/activated-charcoal filter
The microfilter traps dust and pollen in the incoming air. The activated-charcoal filter removes gaseous pollutants from the outside air that enters the vehicle. The service center replaces th ...

Activation/deactivation
Press the button. ...