Front active seat ventilation
The seat cushion and backrest surfaces are cooled by means of integrated fans.
The ventilation rapidly cools the seat, e.g., if the vehicle interior is overheated or for continuous cooling at high temperatures.

Switching on
Press the button once for each
ventilation
level.
The highest level is active when three LEDs are lit.
After a short time, the system automatically moves down one level in order to prevent excessive cooling.
Switching off
Press the button longer.
The LEDs go out.
See also:
The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the
car is an extension of the driver. It's typically experienced in cars whose
various systems and characteristics are well- ...
Swapping the telephone and additional
telephone
The function of the telephone and additional telephone
can be swapped automatically.
1. "Telephone"
2. "Bluetooth® (phone)"
3. "Swap phone/addit. phone" ...
Service booklet
Perform maintenance work at the service center,
and record the work in the service booklet.
The entries are proof of regular maintenance. ...
