Installation Procedure

WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Install the RIM (1) to the electrical carrier.
Reinstall the push pin fasteners.
Reinstall the rear shelf. Refer to SHELF CARRIER REPLACEMENT -- REAR

Fig 1: Installing Rear Integration Module
Courtesy of GENERAL MOTORS CORP.