See also:

Issued warning
If you leave the lane and if a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before changing the lane, a warning is not issued. ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

Filtering traffic bulletins
You can set which traffic bulletins appear on the map. 1. "Navigation" 2. "Map" 3. "Options" Open. 4. "Traffic Info categories" 5. Select the desired cat ...