See also:

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...

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

Taillamps and Back-Up Lamps
A. Taillamp B. Back-up Lamp To replace an auxiliary taillamp or back-up lamp bulb: 1. Open the trunk. See Trunk. 2. Remove the three fasteners from the trunk trim. 3. Pull back the trunk trim ...