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

See also:
Malfunction
A Check Control message is displayed.
On the Control Display, the areas in front of and
behind the vehicle are shaded. PDC has failed.
Have the system checked.
To ensure full operability:
...
BMW X5: rear
BMW X5: rear
1. Lift off the wiper arm completely and pull off
the wiper blade, refer to arrow.
2. Mount the new wiper blade and press on
until it is heard to engageLamp and bulb replacement ...
Onboard vehicle tool kit
The onboard vehicle tool kit is located under the
first aid kit behind the left folding cover in the
cargo area. ...
