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

See also:
Following the initial pairing
The mobile phone is detected/connected in
the vehicle within a short period of time
when the engine is running or the ignition is
switched on.
The phone book entries of the telephone
...
System limits
Be alert
Due to system limitations, warnings may
be not be issued at all, or may be issued late or
improperly. Therefore, always be alert and ready
to intervene; otherwise, there is the danger ...
Range
After the reserve range is
reached:
▷ A Check Control message is
displayed briefly.
▷ The remaining range is
shown on the onboard computer.
▷ When a dynamic driving style ...
