GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 649471  Size: SH
  1. Remove the rear compartment trim. Refer to Rear Compartment Front Trim Panel Replacement.
  2. Disconnect the electrical connector from the cellular telephone module.
  3. Remove the four fasteners (3) retaining the Cellular telephone module and bracket assembly (2) to the rear shelf carrier (1).
  4. Remove the Cellular telephone module and mounting bracket assembly (2) from the rear shelf carrier.

  5. Object Number: 649480  Size: SH
  6. Release the Cellular telephone module mounting bracket retaining tabs (2) and slide the Cellular telephone module (3) out of the mounting bracket (1).

Installation Procedure


    Object Number: 649480  Size: SH
  1. Slide the Cellular telephone module (3) into the mounting bracket (1), until an audible click is heard , indicating the Cellular telephone module (3) is secured in the mounting bracket (2).

  2. Object Number: 649471  Size: SH
  3. Install the Cellular telephone module and mounting bracket assembly (2) to the rear shelf carrier (1).
  4. Install the Cellular telephone module mounting bracket fasteners (3).
  5. Connect the electrical connector.
  6. Install the rear compartment trim. Refer to Rear Compartment Front Trim Panel Replacement.
  7. Refer to Control Module References for programming and setup information.