Activating HDC

Press the button; the LED above
the button
lights up.
See also:
The BMW X3 xDrive35i: Class leading performance and efficiency.
The new top model BMW X3 xDrive35i features BMW's newest turbocharged
3.0-liter inline-6 "N55" engine combining direct fuel injection, twin-scroll
turbo technology and Valvetronic. The N ...
Interior rearview mirror
Reducing the blinding effect
From behind when driving at night: turn the
knob. ...
Adjusting the volume
Turn the knob until the desired volume is selected.
The setting is stored for the remote control
currently in use.
The vehicle automatically adjusts the volume of
the microphone on the telephone ...
