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

See also:
My Info
Selecting additional functions
Additional functions are available when a message
is selected:
...
Locking and unlocking
Press the button in the
vehicle.
The doors and the tailgate are locked or unlocked
when the front doors are closed, but they
are not secured against theft.
The fuel filler flap remains unlock ...
Show contact pictures
Pictures stored with the contacts are stored in
the vehicle when the mobile phone is connected
to the vehicle. The number of transmitted pictures depends on the mobile phone.
The mobile
phone ...
