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

See also:
System limits
Check the traffic situation as well
PDC cannot serve as a substitute for the
driver's personal judgment of the traffic situation.
Check the traffic situation around the vehicle
with your own ey ...
Capacities
...
System limits
Sudden tire damage
Sudden serious tire damage caused by
external influences cannot be indicated in advance.◀
A natural, even pressure loss in all four tires cannot
be detected. Therefore ...
