See also:

Opening and closing: Using the door lock
You can set the way in which the car is unlocked. Do not lock the vehicle from the outside if there is any person inside, because the vehicle cannot be unlocked from inside without special kno ...

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 ...

Switching the wipers on/off and brief wipe
Do not switch on the wipers if frozen Do not switch on the wipers if they are frozen onto the windshield; otherwise, the wiper blades and the windshield wiper motor may be damaged. Switching ...