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 ...

Cleaning the seat belts
•► Use clean, lukewarm water and soap solution. Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 °F (80 °C) or placing th ...

Cleaning the sensors
– Clean sensors 1 of the driving systems with water, car shampoo and a soft cloth. When cleaning the sensors with a power washer, maintain a distance between the vehicle and the nozzle ...