OnStar Additional Information

See also:

2009 GMC Canyon Review
Remember the Chevrolet El Camino — the car that doubled as a truck? It's been gone from the U.S. market for more than 20 years, and GM's plan to produce its virtual successor in the Pontiac G8 s ...

2011 GMC Sierra 2500HD Review
The "professional grade" brand unveiled the 2011 GMC Sierra Heavy Duty lineup at the 2010 NTEA Work Truck Show. Most of the technical specifications of GM's HD pickups are identical, but ...

Automatic Headlamp System
When it is dark enough outside, the headlamps come on automatically. Do not cover the light sensor on top of the instrument panel or the headlamps will come on when they are not needed. The syst ...