See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. ...

The concept
This system reduces undesirable vehicle motion when using a dynamic driving style or traveling on uneven road surfaces. The system enhances driving dynamics and comfort as required for the road ...

2012 BMW 535 Review by Joe Wiesenfelder
I don't walk away from every new model with a single overriding impression, but sometimes a car grabs me by the collar and shakes me. While that wasn't exactly the case with the redesigned 2011 BM ...