The concept
The iDrive combines the functions of a multitude of switches. Thus, these functions can be operated from a central location.
See also:
Activating HDC
Press the button; the LED above
the button
lights up. ...
Settings
Vehicle
Equipment ...
Volume
▷ "Speed volume": speed-dependent volume
control.
▷ "PDC": volume of the PDC signal compared
to the entertainment sound output.
▷ "Gong": volume o ...
