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.
Remove the dome lamp lens cover.
Remove the screws from the dome lamp.
Disconnect the electrical connector from the dome lamp.
Remove the dome lamp.
Fig 1: Removing Dome Lamp Lens Cover And Dome Lamp (With U2)