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
Manufacturer's information for child restraint
fixing systems
To select, mount and use child restraint fixing
systems, observe the information provided by
the system manufacturer; otherwis ...
Vehicle care
Car care products
BMW recommends using cleaning and care
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
...
Interior motion sensor
The windows and glass sunroof must be closed
for the system to function properly. ...