Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of these readings are required by law and must be accurate at all times.
See also:
Front fog lamps
Only vehicles with front fog lamps have the fog lamps function.
WARNING
If you suspect that driving conditions will be foggy, turn the light switch to
before you start your journey. Otherwise ...
Activating/deactivating airrecirculation
mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
WARNING
Fogged windows impai ...