WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Turn off the PSD from the roof console switch bank.
Remove the PSD OPEN/CLOSE switch from the center pillar.
Disconnect the electrical connector from the PSD OPEN/CLOSE switch.
Fig 1: Removing PSD Open/Close Switch From Center Pillar