Owner's Manual
Page 295
.... Your dealer or an underbody car washing system can do this fallout condition within Dt i and other debris can collect.r packed in paint job causes this, Buick the the At least every spring, flush these are not removed, accelerated corrosion (rust) can take two forms: blotchy, ringlet-shaped ...discolorations, and small irregular dark spots etched into the paint surface. Clean any areas where mud will repair, at no defect in closed...
.... Your dealer or an underbody car washing system can do this fallout condition within Dt i and other debris can collect.r packed in paint job causes this, Buick the the At least every spring, flush these are not removed, accelerated corrosion (rust) can take two forms: blotchy, ringlet-shaped ...discolorations, and small irregular dark spots etched into the paint surface. Clean any areas where mud will repair, at no defect in closed...