The concept
The central locking system becomes active when the driver's door is closed.
The system simultaneously engages and releases the locks on the following:
▷ Doors.
▷ Trunk lid.
▷ Fuel filler flap.
See also:
Vehicle care
Car care products
BMW recommends using cleaning and care
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
...
Safety switch
The safety switch in the driver's door can be
used to prevent children, for example, from
opening and closing the rear windows using the
switches in the rear.
Switching on and off
Press the b ...
Close the windows and glasssunroof
Driving with the glass sunroof and windows
open results in increased air resistance and
raises fuel consumption. ...