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:
Capacities
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Approved mobile phones
Details on which mobile phones and external
devices with a Bluetooth interface are supported by the mobile phone preparation
package
can be obtained at www.bmwusa.com/bluetooth.
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Malfunction
Comfort Access may not function properly if it
experiences interference from external sources
such as mobile phones, metal objects, overhead
power lines, transmission towers, etc.
If this occur ...