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:
Servotronic
The conceptThe Servotronic varies the steering force required to turn the wheels relative
to the vehicle speed.
At low speeds, the steering force is strongly assisted, i.e. less force is needed
f ...
Central locking system
The concept
The central locking system becomes active
when the driver's door is closed.
The system simultaneously engages and releases
the locks on the following:
Doors.
Trunk lid.
Fuel ...
Low tire pressure message
The yellow warning lamp lights up. A
Check Control message is displayed.
There is a flat tire or a major loss in
tire inflation pressure.
The system was not reset after a wheel
change ...