See also:

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) sy ...

Pulling a Trailer
Here are some important points: There are many different laws, including speed limit restrictions, having to do with trailering. Make sure the rig will be legal, not only where you live but ...

Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...