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

See also:
Suitable media
Use of CDs/DVDs
▷ Do not use self-recorded CDs/DVDs
with labels applied, as these can become
detached during playback due
to heat buildup and can cause irreparable
damage to the devic ...
Charging the battery
In the vehicle, only charge the battery via the
terminals in the engine compartment, with the engine switched off. ...
Close the windows and glass
sunroof
Driving with the glass sunroof and windows
open results in increased air resistance and
raises fuel consumption. ...
