WARNING: This page is about a different car, the 2005 Pontiac Aztek and 2005 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Console Lamp Lens
Courtesy of GENERAL MOTORS CORP.
Gently pry the lens from the bulb housing.
Release the locking tabs in order to remove the bulb and socket from the lens.