WARNING: This page is about a different car, the 1999 GMC Sierra and 1999 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Remote Keyless Entry System Inoperative - Steps 1-12 (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Remote Keyless Entry System Inoperative - Steps 13-18 (2 Of 2)