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

See also:
Adjusting the height
Adjusting the height
▷ To raise: pull.
▷ To lower: press the button, arrow 1, and
push the head restraint down.
The center head restraint cannot be adjusted in
elevation. ...
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. ...
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 e ...
