The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Ventilation in rear
Ventilation in rear
1. Use the thumbwheels to smoothly open and
close the air vents
2. Thumbwheels to adjust temperature in upper
body region; can be adjusted separately
for left and right:
...
Control Display
Notes
To clean the Control Display, follow the care
instructions.
Do not place objects close to the Control
Display; otherwise, the Control Display can
be damaged.
Switching off
1. ...
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. ...
