Displaying hazard warnings
Multimedia system:
If hazard warnings are available these can be shown as symbols on the map. The display depends on the settings for the Traffic incidents option.
Set the option via 
More.
More. If the option is activated, all of the symbols are shown.
If the option is deactivated, the symbols are only shown when there is a hazard warning.
The following hazards may be shown on the map:
Accidents and breakdowns
Fog and ice
Hazards reported manually
Vehicle with active hazard warning light
Mobile roadworks
If Announce traffic warnings is switched off More, voice output can indicate a danger area.