GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear shelf trim panel. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.

  2. Object Number: 665070  Size: SH
  3. Remove the global positioning system (GPS) antenna from the rear shelf using a small wide-bladed plastic tool in order to release the adhesive.

  4. Object Number: 665074  Size: SH
  5. Disconnect the GPS antenna cable connector.
  6. Clean the adhesive residue from the rear shelf using a razor blade and isopropyl alcohol pad and a clean lint-free cloth.

Installation Procedure

  1. Clean the surface of the rear shelf in the (GPS) antenna mounting location, using an isopropyl alcohol pad and a clean lint-free cloth.
  2. Important: Do not touch the adhesive backing.

  3. Remove the protective backing from the adhesive backing of the GPS antenna.

  4. Object Number: 665079  Size: SH
  5. Install the GPS antenna to the rear shelf surface.
  6. Press the GPS antenna into place until fully seated for approximately 30 seconds.


    Object Number: 665074  Size: SH
  7. Connect the GPS antenna cable connector.
  8. Install the rear shelf trim panel. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.