Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Lower the rear of the headliner. Refer to Headliner Replacement in Interior Trim.
Remove the antenna module bolt.
Disconnect the antenna module electrical connector.
Disconnect the antenna coaxial cable.

Fig 1: View Of Antenna Module

Courtesy of GENERAL MOTORS CORP.

Disconnect the rear window antenna lead from the rear window antenna connector.
Remove the antenna module.