See also:

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wo ...

Special seat belt retractor
All seat belts except the driver's seat belt are equipped with a special seat belt retractor. When activated, the special seat belt retractor ensures the seat belt will not slacken once the ch ...

Resetting to factory settings
For safety reasons, the Daytime Running Lamps function in the Lighting submenu is only reset when the engine is switched off. ► Press on the steering wheel to select the Settings menu. ...