See also:

Switching the interior lamps on and off
Press the button. To switch off permanently: press the button for approx. 3 seconds. Switch back on: press button. ...

Safety
Besides options like lane departure warning, the 5 Series comes equipped with a suite of side curtain airbags and front-seat side-impact airbags. Rear seat-mounted airbags can be ordered as a $385 ...

Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...