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:
Emergency detection of remote control
It is possible to switch on the ignition or start the
engine in situations such as the following:
▷ Interference of radio transmission to remote
control by external sources.
▷ Discha ...
Selecting a category
1. "Radio"
2. "Satellite radio"
3. "Category"
4. Select the desired category. ...
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. ...