For 1990-2009 cars

### Repair Procedure

1. Thoroughly wash the repair area with GM Wash and Wax GM P/N 1237841 (Canadian P/N 10953203), or the equivalent.
2. Environmental damage may be corrected. Refer to Environmental Fallout (Acid Rain) or Rail Dust Damage Repair .

Important: Follow all of the instructions from the manufacturer of the polishing material.

3. If sanding and/or polishing is required , refer to Clearcoat Repair Specifications - Meguiar Products or Clearcoat Repair Specifications - 3M Products .
4. Use a paint gage before, during, and after sanding and/or polishing, to avoid removing too much clearcoat. Refer to Paint Gages .