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:
Fast forward/reverse
Buttons on the CD/DVD player:
Press and hold the
button for the corresponding
direction. ...
Odometer and trip odometer
Resetting trip odometer:
With the ignition switched on, press button 1 in
the instrument cluster. ...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
The PDC is shown on the Control Display.
Switch on the backup camera via the iDrive. ...