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:
Messages after trip completion
Malfunctions indicated during a trip are displayed
again after the ignition is switched off. ...
Lateral ventilation
Thumbwheel for opening and closing the
vents continuously, arrow 1.
Lever for changing the air flow direction, arrow
2.
...
Cameras
Cameras
The lenses of the Top View cameras are located
at the bottom of the exterior mirror housings.
The image quality may be impaired by dirt.
Clean the lens. ...