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:
Audio playback
Selecting a track using the buttonPress the
button for the appropriate direction as often as
necessary until the desired track is reached.
Selecting a track using iDriveAudio CDs
1. " ...
Setting the language
Press the adjustment button for 12‑13 seconds.
Briefly press the adjustment button again to
switch between English "E" and German "O".
The setting is automatically saved ...
The concept
The iDrive combines the functions of a multitude
of switches. Thus, these functions can be operated
from a central location. ...