See also:

General Information
Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect ...

Roof Rack System
WARNING If something is carried on top of the vehicle that is longer or wider than the roof rack—like paneling, plywood, or a mattress—the wind can catch it while the vehicle is being driven ...

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