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:
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
All around the steering wheel
All around the steering wheel
1. Rear window safety switch
2. Power windows
3. Exterior mirror operation
4. Lamps
Instrument lighting
&n ...
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle, ...