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:
Dynamic, efficient and innovative: the new BMW 3 ActiveHybrid
In autumn 2012 a further model will join the BMW 3-Series. In the new 3
ActiveHybrid - a full hybrid at the premium end of the sports sedan class - the
innovative BMW ActiveHybrid powertrain techn ...
Terminating destination
guidance
1. "Navigation"
2. "Map"
3. "Guidance"
4. "Stop guidance" ...
Switching DVD system on/off
Press the button on the CD-/DVD player or under
the desired screen.
The DVD system switches on automatically
when a CD or DVD is inserted. ...