See also:

Shoulder support
Also supports the back in the shoulder area: Results in a relaxed seating position. Reduces strain on the shoulder muscles. ...

Drive Dynamic Control gives the driver the choice of car set-up.
With Drive Dynamic Control, the virtues of sportiness and comfort can take precedence as the situation demands. Drivers can make their own choice of suspension settings in NORMAL, SPORT and SPORT+ ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...