WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
Remove rear dome light (1).
Release claws (4) using flat-end screwdriver, and remove lens (3).
Remove bulb (2).
Fig 1: Identifying Rear Dome Light, Claws, Bulb And Lens