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:
Sitting safely
The ideal seating position can make a vital contribution
to relaxed, fatigue-free driving.
The seating position plays an important role in
an accident in combination with:
▷ Safety belts.
...
Oil change
An oil change should be carried out by your
service center only.
...
Displaying the button assignment
Use a finger to touch the buttons. Do not wear
gloves or use objects.
The key assignment is displayed at the top edge
of the screen.
Displaying the button assignment
▷ To display short ...