OnStar Services

See also:

Driving on Hills
Driving safely on hills requires good judgment and an understanding of what the vehicle can and cannot do. WARNING If the vehicle has the two-speed automatic transfer case, shifting the transfer cas ...

Seat Issues
As I say, I liked the look of the leather seats. Once I started driving, though, they offered no support in any direction; I felt like I was sitting on top of the seat rather than in it. While it' ...

Radios with CD and DVD Audio Output
Only one audio source can be heard through the speakers at one time. An audio source is defined as DVD slot, CD slot, XM, FM/AM, Front Auxiliary Jack, or Rear Auxiliary Jack. Press to turn the radi ...