2012 BMW 640 review
See also:
Telephone
...
Climate control operation on the
headliner
Temperature
Turn the wheel to set the desired
temperature.
Air volume
Press the left or right side of
the button:
decrease or increase air volume.
LEDs indicate the intensity of the air s ...
Switching on/off
Switching on/off
Press button 1 on the steering wheel.
▷ On: lane markings 2 are lit.
▷ Off: lane markings 2 go out.
The system can issue warnings at speeds above
approx. 40 mph/65 ...
