Active seat
Active adjustment of the seat cushion's contours reduces muscular tension and fatigue to help prevent lower back pain.

Press the button. The LED
lights up.
See also:
The concept
The following can be operated using the buttons
and the thumbwheel on the steering wheel:
Current audio source.
Redial on telephone*.
Activation of the voice activation system*.
...
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
BMW 7 Series Owners Manual
h4 {color:#800000}
h3 {color:#0033CC}
h2 {color:#008000}
h1 {color:#FF0000}
...
