OnStar Services

See also:

Express Window Anti-Pinch Override
WARNING! If express override is activated, the window will not reverse automatically. You or others could be injured and the window could be damaged. Before you use express override, make s ...

Cabin Luxury
The redesigned 2008 CTS was one of the prime examples of GM's renewed commitment to interior quality, and the design has held up well over the past few years; it still looks modern and inviting in ...

Finding a Station
AM Source Shown, Other Sources Similar If viewing a map screen, press the source screen (AM, FM, XM (if equipped), CD, etc.) button. The display splits between the audio screen and the map screen ...