Installation Procedure

Install the radio antenna module to the roof beam, ensuring that the alignment tab is properly located.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install radio module retaining fastener.
Tighten

Tighten the fastener to 9 N.m (80 lb in).
Connect the electrical connectors to the radio antenna module.

Fig 1: Connecting Radio Antenna Module Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Install the rear assist handles. Refer to ASSIST HANDLE REPLACEMENT in Interior Trim.
Install the left rear sail panel. Refer to SAIL PANEL REPLACEMENT in Interior Trim.