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:
The concept
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fuel consumption. For this purpose, the engine
control and comfort functions, e. g. the climate
control output, are adjusted.
In addition, context ...
Wheel and tire combination
Information on the right wheel and tire combination
and rim version for your vehicle can be
obtained from the service center.
Incorrect wheel and tire combinations impair the
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Starting destination guidance
›Start guidance‹ ...