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 wor ...

Range of the sensors
General notes The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them Side view, Se ...

Cup holder in the front-compartmentcenter console
In the front part of the center console, there is a cup holder and a removable support with a card holder. You can remove the cup holder to clean it. Clean with clear, lukewarm water only. ...