See also:

Menu System
Controls The Menu knob, SELECT button, and BACK button are used to navigate the menu system. Menu Knob: Turn to: • Enter the menu system. • Highlight a menu option. • Select a value. ...

Adjusting the Volume
Turn the VOL/ knob to adjust the volume of the infotainment system after the volume level has been set on the portable audio device. ...

2012 Buick Regal Review by Warren Brown
It was a good car, but something less than the “high-performance variant” of the Buick Regal promised for market delivery in the spring of 2012. That will be the overtly sporty Regal GS, with ...