Locking and unlocking
Pressing the buttons locks and unlocks the doors and the trunk lid when the front doors are closed, but they are not secured against theft.
The fuel filler flap remains unlocked.
See also:
The concept
The parking brake is primarily intended to prevent
the vehicle from rolling while parked; it
brakes the rear wheels.
...
Only refill the diesel exhaust fluid
yourself in exceptional circumstances
To be able to reach the nearest service center
with your vehicle, you may refill the diesel exhaust
fluid yourself, making sure to heed the
warning notices specified below.
Handling diesel ex ...
Low beams
Switch position with
the ignition switched
on: the low beams light up. ...