See also:

XM™ Satellite Radio Service
XM is a satellite radio service that is based in the 48 contiguous United States and 10 Canadian provinces. XM Satellite Radio has a wide variety of programming and commercial-free music, coast-t ...

Volume Control
VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

Overview
Armed with turbocharged horsepower the 2011 Buick Regal, a driver-selectable suspension system and a firm, European-tuned chassis, it delivers a driving experience that rivals the best import spor ...