Removal Procedure

Remove the left coat hook. Refer to COAT HOOK REPLACEMENT in Interior Trim.
NOTE:
In order to avoid damaging the antenna lead connector, follow these guidelines:
- Use a plastic tool and carefully pry the connector from the window.
- Do NOT pull on the connector, which may be stuck to the urethane adhesive or the headliner.
Disconnect the radio antenna module electrical connector from the stationary glass.
Release the rear headliner to roof retainers.

Fig 1: Removing/Installing Rear Headliner To Roof Retainers & Coat Hook Retaining Screw
Courtesy of GENERAL MOTORS CORP.
Lower the rear of the headliner far enough to access the radio antenna module located on the left side of the vehicle.
Disconnect the electrical connector from the radio antenna module.
Disconnect the coax cable from the radio antenna module.

Fig 2: Identifying Radio Antenna Module & Coax Cable
Courtesy of GENERAL MOTORS CORP.
Remove the radio antenna module from the headliner retaining strips.
Remove the radio antenna module from the vehicle.