Owner's Manual
Page 303
... collect on the underbody. Bare metal will corrode quickly and may develop into the paint surface. If these materials from the underbody with touch-up materials available from your GM dealer's body and paint shop. Clean any areas where mud and debris can develop on the vehicle. Although... no charge to restore corrosion protection. Finish Damage Any stone chips, fractures or deep scratches in the paint job causes ...
... collect on the underbody. Bare metal will corrode quickly and may develop into the paint surface. If these materials from the underbody with touch-up materials available from your GM dealer's body and paint shop. Clean any areas where mud and debris can develop on the vehicle. Although... no charge to restore corrosion protection. Finish Damage Any stone chips, fractures or deep scratches in the paint job causes ...