2012 BMW 640 review
See also:
Lateral ventilation
▷ Thumbwheel for opening and closing the
vents continuously, arrow 1.
▷ Lever for changing the air flow direction, arrow
2. ...
The concept
► Most functions that are displayed on the
Control Display can be operated by spoken
commands via the voice activation system.
The system prompts you to make your entries.
► Function ...
Multi-channel playback,
surround
Choose between stereo and multi-channel playback,
surround.
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
...
