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

See also:
Fuel quality
Fuels that are marked on the gas pump as containing
metal must not be used.
Refuel only with unleaded
gasoline without
metallic additives.
Do not refuel with any leaded gasoline or gasoline
...
General information
The engine oil consumption is dependent on the
driving style and driving conditions.
Therefore, regularly check the engine oil level
after refueling. ...
Safety switch for the rear
Press the button on the
driver's door if
children are being transported in the
rear.
This locks various functions so that they cannot
be operated from the rear: safety switch. ...
