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:
Power failure
After a temporary power loss, some equipment
needs to be reinitialized.
Individual settings need to be reprogrammed:
▷ Seat, mirror, and steering wheel memory:
store the positions again.
...
Opening/closing the glass sunroof
With the sliding visor open, proceed as described
under Sliding visor. ...
Engine oil temperature
When the engine is at normal operating temperature, the engine oil temperature
is between approx. 210 7/100 6 and approx. 300 7/150 6.
If the engine oil temperature is too high, a message appears ...