See also:

Calls with multiple parties
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call whi ...

Traffic bulletins on the map
"Traffic conditions/gray map" active: The Control Display changes to a black and white display. This enables a better view of the traffic bulletins. The day/night mode is disregarded ...

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...