The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.
See also:
Steering wheel
General information
Do not adjust while driving
Do not adjust the steering wheel while
driving; otherwise, an unexpected movement
could result in an accident.
Adjusting
The steering wheel ...
Summer tires
Do not drive with a tire tread depth of less than
0.12 in/3 mm.
There is an increased danger of hydroplaning if
the tread depth is less than 0.12 in/3 mm. ...