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

See also:
Rear doors
Rear doors
Push the locking lever on the rear doors down.
The door can now be opened from the outside
only. ...
Caring for special components
Light-alloy wheels
Use wheel cleaner, particularly during the winter
months. Do not use aggressive, acidic, strongly
alkaline or abrasive cleaners, or steam jets
above 140 ℉/60 ℃; f ...
Look well ahead when driving
Avoid unnecessary acceleration and braking.
By maintaining a suitable distance to the vehicle
driving ahead of you.
Driving smoothly and looking ahead reduces
fuel consumption. ...
