The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.
See also:
Opening/closing the glass sunroof
When the sliding visor is open, proceed as described
under Sliding visor. ...
USB audio interface/audio interface for mobile phone
OverviewIt is possible to connect external audio devices. They can be operated via iDrive.
Sound is output over the vehicle speakers.
Options for connecting external devices
> Connection via US ...
Buttons on the remote control
1 Unlocking
2 Locking
3 Opening the trunk lid
4 Panic mode*, headlamp courtesy delay feature ...