Cause:
Use of low-quality paint in repaints.
Repeated exposure to intense sunlight or corrosive conditions or contaminants.
Use of an incorrect hardener that weakens the properties of the paint film.
Prevention:
Use high-quality paint for repaints.
Protect the vehicle from direct sunlight when not in use.
Keep the vehicle clean and well-maintained.
Use the recommended hardener according to technical specifications.
Correction: Sand and repaint.