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:
Buttons at a glance
1. System on/off, interrupt
2. Resume speed
3. Store speed
4. Reduce distance
5. Store, maintain/change speed
6. Increase distance ...
Winter tires
Do not drive with a tire tread depth of less than
0.16 in/4 mm.
Below a tread depth of 0.16 in/4 mm, tires are
less suitable for winter operation. ...
Adjusting the height: electrical
The head restraints on the left and right rear
passenger seats extend automatically
whenever a passenger in the rear seat fastens
his or her safety belt.
In addition, the height of the head r ...