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:
Notes
No loose objects in the
passenger compartment
Do not stow any objects in the passenger compartment
without securing them; otherwise,
they may present a danger to occupants for instance
durin ...
Maintenance and repairs
Advanced technology, e.g., the use of modern
materials and high-performance electronics, requires
suitable maintenance and repair methods.
Therefore, have this work performed only by a
BMW cent ...
Telephone
...