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
Be alert
Due to system limitations, warnings may
be not be issued at all, or may be issued late or
improperly. Therefore, always be alert and ready
to intervene; otherwise, there is the danger ...
Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear
luggage racks after use.
Attached parts on the vehicle impair the aerodynamics
and increase the fuel consumption. ...
Indicator lamps without text messages
The following indicator lamps notify you that
certain functions are active:
Symbol Function or system
Parking brake set
Canada: parking brake set
High beams/headlamp flasher
Front fog lamps ...
