GM Service Manual Online
For 1990-2009 cars only
  1. Wash the vehicle in lukewarm or cold water.
  2. Do not perform the following actions:
  3. • Wash the vehicle in hot water.
    • Wash the vehicle in the direct rays of the sun.
    • Use strong soap or chemical detergents.
  4. Promptly flush all of the cleaning agents from the surface while wet.
  5. Do not let the cleaning agents dry on the finish.

  6. After the vehicle has been cleaned, Immediately protect painted body surfaces and chrome plating with a coating of wax.
  7. Any good base body wax may be used for both painted and chrome surfaces.

    Do not apply wax in direct sunlight or in extreme heat.

  8. In order to ensure continuous protection of the finish, periods between applications should be short.