Circles with raised edges or whitish spots resembling water droplets appear on the surface of the paint film.

Cause
Getting wet or rained before the paint film thoroughly dried.

Repair
A. For severe spots, sand and refinish.
B. For light spots, polish a panel using #2500 compound (1st step) and #7000 compound (2nd step).

Prevention
A. Avoid the water or rain until the paint film is thoroughly dried. (more than one day)
B. Wash a car in shades and wipe it clearly.