Removal Procedure

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

Remove the center pillar lower trim panel. Refer to Trim Panel Replacement - Lower Center Pillar in Interior Trim.
Adjust the carpet for access to the wiring harness as required.

Fig 1: Extension Cable And Antenna Cable

Courtesy of GENERAL MOTORS CORP.

Disconnect the antenna extension lead (1) from the main body harness coaxial cable (2).

Fig 2: Removing/Installing Radio Antenna

Courtesy of GENERAL MOTORS CORP.

Remove the rear quarter upper trim panel. Refer to Trim Panel Replacement - Rear Quarter Upper in Interior Trim.
Disconnect the coaxial cable from the radio antenna and from the rear window defog control module.
Cut off the visible end of the coaxial antenna cable from the wiring harness in the rear quarter upper area.
Cut off the visible end of the coaxial antenna cable from the wiring harness in the front kick plate area.