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:
Display visibility
The visibility of the displays in the Head-up Display
is influenced by:
Certain sitting positions.
Objects on the cover of the Head-up Display.
Sunglasses with certain polarization filters.
...
Signal tones
When approaching an object, an intermittent
tone is sounded that indicates the position of the
object. For example, if an object is detected to
the left rear of the vehicle, a signal tone sounds ...
Navigation
This chapter describes how you can enter destinations and specify your route
so that your navigation system guides you reliably to your destination. ...