See also:

Using the door lock
General information Locking from the outside Do not lock the vehicle from the outside if there are people in it, as the vehicle cannot be unlocked from inside without special knowledge.◄ ...

The concept
The vehicle alarm system responds to: ▷ Opening of a door, the hood or the tailgate. ▷ Movements in the vehicle: interior motion sensor ▷ Changes in the vehicle tilt, e.g., duri ...

Camera monitoring: Lane Departure Warning System and Collision Warning
The Lane Departure Warning System available for the new BMW 3-Series Sedan is activated at speeds above 70 km/h (43 mph) and warns the driver if he unintentionally strays out of his lane. The syst ...