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:
...
Parked-car ventilation
The concept
The parked-car ventilation ventilates the vehicle
interior and lowers its temperature, if necessary.
The system can be switched on and off directly
or by using two preset switch-on ...
Entering appointment dates
Enter the dates for the required inspections.
Ensure that the vehicle date and time are set
correctly.
1. "Vehicle Info"
2. "Vehicle status"
3. "Service required"
...
