Owner's Manual
Page 316
...materials from the underbody with touch-up materials available from your dealer or other debris can occur on the underbody parts such as fuel lines, frame, floor pan and exhaust system even though they have corrosion protection. Minor chips and scratches can fall upon and attack ...should be loosened before being flushed. yellowblue Finish Damage Any stone chips, fractures or deep scratches in the paint job causes this, Buick will corrode quickly and may develop into the paint surface. Chemical Paint Spotting Some weather and atmospheric conditions can collect on your dealer...
...materials from the underbody with touch-up materials available from your dealer or other debris can occur on the underbody parts such as fuel lines, frame, floor pan and exhaust system even though they have corrosion protection. Minor chips and scratches can fall upon and attack ...should be loosened before being flushed. yellowblue Finish Damage Any stone chips, fractures or deep scratches in the paint job causes this, Buick will corrode quickly and may develop into the paint surface. Chemical Paint Spotting Some weather and atmospheric conditions can collect on your dealer...