Rejects or ends a call
Press the 
button on the
steering
wheel.
If you are not in the Telephone menu, you can still reject or end a call.
See also:
Cup holder in the rear seat armrest
Do not sit on or support your
body weight
on the rear seat armrest when it is folded
down, as you could otherwise damage it.
Close the cup holder before
folding the
rear seat armrest up. ...
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
If the battery voltage is too
low, the seat
ventilation may switch off.
- Make sure that ...
Engine emergency off
If the engine cannot be switched off as
described, observe the following procedure:
Take the fuse allocation chart out of the
vehicle document wallet.
Search for “Emergency engine shutdown”
...