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.
Open the instrument panel (IP) compartment.
Fig 1: View Of IP Compartment Striker
Courtesy of GENERAL MOTORS CORP.
Remove the bolts that secure the IP compartment striker.