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

See also:
Navigation
This chapter describes how you can enter destinations and specify your route
so that your navigation system guides you reliably to your destination. ...
General information
Do not adjust while driving
Do not adjust the steering wheel while
driving; otherwise, an unexpected movement
could result in an accident. ...
Starting destination guidance
›Start guidance‹ ...
