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

See also:
Reporting safety defects
For US customers
The following only applies to vehicles owned
and operated in the US.
If you believe that your vehicle has a defect
which could cause a crash or could cause injury
or death, yo ...
What to do if...
▷ The current transmission position cannot be
displayed?
The vehicle is located in an unrecognized
region, is in a poor reception area, or the
system is currently determining the position ...
Transmitting the settings
Your personal settings can be taken with you to
another vehicle equipped with the Personal Profile
function. For more information, contact your
service center.
Transmission takes place via:
...
