Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it.
See also:
BMW Assist or ConnectedDrive
...
Warning triangle
Warning triangle
The warning triangle is located on the inside of
the trunk lid.
To remove, loosen the bracket. ...
Rear doors
Push the locking lever on the rear doors down.
The door can now be opened from the outside
only. ...