See also:

Safety systems
Problem Possible causes/consequences and Solutions (USA only) (Canada only) The red brake system warning lamp comes on while the engine is running. A warnin ...

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 ...

Operating the on-board computer
The on-board computer is activated as soon as you turn the SmartKey to position 2 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...