See also:

Safety systems
Display messages Possible causes/consequences and Solutions Risk of accidentThe brake boosting effect is malfunctioning and the braking characteristics may be affec ...

Engine oil
Vehicles with a diesel particle filter: If the vehicle is mostly driven for short distances, it is possible that malfunctions may occur during the automatic cleaning of the diesel particle fil ...

Headlamp cleaning system
The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running. ...