See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

2011 Buick Regal Review
More than a few surprises have accompanied the rebirth of General Motors. Chief among them is the resurgence of Buick, which was chosen as one of just four brands GM kept alive, even as it euthani ...

XM Satellite Radio Service
XM is a satellite radio service 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 to coast, ...