2012 BMW 640 review
See also:
Controls
The audio and video sources can be controlled using the:
> Buttons near the CD/DVD player
> iDrive
> Buttons on the steering wheel,
> Programmable memory keys,
> Voice activation s ...
Lumbar support
The curvature of the seat backrest can be adjusted
in such a way that it supports the lumbar
region of the spine. The lower back and the
spine are supported for upright posture.
▷ Press ...
Switching on/off
Switching on/off
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out.
The system can issue warnings at speeds above
approx. 30 mph/50 km/h.
The state is stor ...
