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:
Adaptive Drive
The concept
Adaptive Drive* includes the following systems:
Dynamic Drive
Dynamic Damping Control
The system increases driving stability and driving
comfort. ...
Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...
Switching on/off
To switch the entertainment audio output on or off:
Press knob 1next to the CD/DVD player.
This symbol on the Control Display indicates
that sound output is switched off.
The sound output is ava ...