See also:

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

Steering Wheel Controls
Use these controls, if equipped, to make audio adjustments at the steering wheel. or : Press to select the next favorite radio station or next CD, DVD, if equipped, or MP3 track. Press to ...

XLR-V
A performance-packed V edition of the XLR, fitted with a supercharged 4.4-liter V-8 that develops 443 hp at 6,400 rpm and 414 pounds-feet of torque at 3,600 rpm, goes on sale for 2006. A new six-s ...