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

See also:
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
Navigation
This chapter contains various examples of how
the navigation system can guide you reliably to
your destination. ...
Lane information
On multi-lane roads, the recommended lanes
are marked in the arrow view by a triangle.
▷ Solid triangle: best lane.
▷ Empty triangle: possible lane. However, another
lane change may ...
