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:
Messages after trip completion
Malfunctions indicated during a trip are displayed
again after the ignition is switched off. ...
Treadwear
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified government test course. For example,
a tire graded
150 wou ...
Steptronic
In addition to fully automatic operation, you can also manually shift with the
Steptronic.
Vehicle parking To prevent the vehicle from rolling, always
select position P and apply the parking brak ...