See also:

Safety
Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly ...

Switching off
Press the button repeatedly until the LEDs go out. ...