Removal Procedure

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Remove the instrument panel accessory trim plate. Refer to TRIM PLATE REPLACEMENT -- IP ACCESSORY .
Remove the radio mounting-bolts (3) from the radio (2).
Remove the radio (2) from the instrument panel.
Disconnect the electrical connectors (1, 4) from the rear of the radio (2).
Disconnect the antenna lead (5) from the rear of the radio (2).

Fig 1: Removing Radio
Courtesy of GENERAL MOTORS CORP.