See also:

Adjusting the volume
Turn the volume button while giving an instruction until the desired volume is set. ► The volume remains constant even if the volume of other audio sources is changed. ► The volume i ...

2012 BMW 3 Series Sedan: First Look
Competes with: Mercedes-Benz C-Class, Infiniti G37, Audi A4 Looks like: A little bit bigger outside, just a teensy bit bigger inside Drivetrain: 240-hp, 2.0-liter twin-turbocharged inline-four cylin ...

Controls
Controls 1 Volume, on/off 2 Change wave band 3 Change entertainment sources 4 Change station/track 5 Programmable memory buttons ...