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:
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
Safety belts
Seats with safety belt
The vehicle has five seats, each of which is
equipped with a safety belt.
Notes
Always make sure that safety belts are being
worn by all occupants before driving away.
...
System limits
Be alert
Due to system limitations, warnings may
be not be issued at all, or may be issued late or
improperly. Therefore, always be alert and ready
to intervene; otherwise, there is the danger ...