See also:

Activating HDC
Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

Fuses
Notes Replacing fuses Never attempt to repair a blown fuse and do not replace a defective fuse with a substitute of another color or amperage rating; this could lead to a circuit overload, ul ...

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...