See also:

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...

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 ...

Buttons on the remote control
Buttons on the remote control 1 Unlocking 2 Locking 3 Opening the trunk lid 4 Panic mode in alarm system ...