See also:

Restricting the shift range
Press the selector lever to the left towards D–. or Pull the left-hand steering wheel paddle shifter. The automatic transmission shifts down one gear and restricts the shift range to the re ...

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 exhaust tail pipes
Impurities combined with the effects of road grit and corrosive environmental factors may cause flash rust to form on the surface. You can restore the original shine of the exhaust tail pipe b ...