WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Memory Seat Switch Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Connect the electrical connectors to the memory seat switch panel
Install the memory seat switch panel to the door trim panel and press into place until fully seated.