See also:

Hazard warning flashers
The button is located in the center console. ...

Active seat
Active adjustment of the seat cushion's contours reduces muscular tension and fatigue to help prevent lower back pain. Press the button. The LED lights up. ...

Aerodynamic optimisation of underside panelling
As the excellent drag coefficient (cd = 0.26) would suggest, the aerodynamics of the new BMW 3-Series have been intensively honed in a state-of-the-art wind tunnel. The optimised aerodynamics also ...