The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated five times while the lights are on and the engine is running. When you switch off the ignition, the automatic headlamp cleaning system is reset and counting is resumed from 0.
Driving systems
...
Towing in the event of malfunctions
General not
If you are removing the propeller shaft,
use M10 nuts as spacers on the M8 bolts
and secure them with M8 nuts.
New self-locking nuts must be used when
the propeller shafts are refit ...
Problems with the sliding sunroof
WARNING
If you close the sliding sunroof again immediately after it has been blocked
or reset, the sliding
sunroof closes with increased or maximum force. The reversing feature is then
not active. ...