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:
Multi-channel playback, surround
Choose between stereo and multi-channel playback,
surround.
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings".
2. "Tone" ...
Warning stages
Prewarning
This warning is issued, for example, when there
is the impending danger of a collision or the distance
to the vehicle ahead is too small.
Acute warning
Warning of the imminent danger ...
The concept
Indicator/warning lamps
The indicator and warning lamps can light up in
a variety of combinations and colors.
Several of the lamps are checked for proper
functioning when the engine is started ...