See also:

Diesel particulate filter
Soot particles are collected in the diesel particulate filter and periodically burned away at high temperatures. During the cleaning period of several minutes: ▷ The engine may temporarily ...

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Switching on automatically
With the engine running or the ignition switched on, shift the selector lever into position R. The image of the rear view camera is displayed when the system has been switched on using iDrive. ...