Defrosting the windscreen via the climate bar
Switching on
Press 
on the climate bar on the central display.
on the climate bar on the central display. Switching off
Press , 
or 
on the climate bar on the central display
, or on the climate bar on the central display or
set the airflow to 0.
When the defrost function is activated, some functions (e.g. the temperature setting) are automatically deactivated.