Switching the microphone to mute
When a call is active, the microphone can be muted.
1. "Telephone".
2. "Active calls".
3. 
"Microphone mute"
A microphone that has been switched to mute is automatically reactivated:
▷ When a new connection is established.
▷ When switching between call parties.
See also:
Windshield washer nozzles
The washer jets are automatically heated*
whenever the ignition is switched on. ...
The concept
The system is functional at speeds beginning at
approx. 20 mph/30 km/h.
It maintains the speed that was set using the
control elements on the steering wheel.
The system brakes on downhill gradie ...
Gear shift indicator
The concept
The system recommends the most fuel efficient
gear in the current driving situation.
Displays
Indicators to shift up or down are displayed in
the instrument cluster.
...