WARNING: This page is about a different car, the 2005 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Inserting Screwdriver Into Hole Stamped Mark (Upper Module)
Courtesy of MAZDA MOTORS CORP.
Insert a screwdriver into the hole stamped mark.
To remove, lift the upper module by pushing down the screwdriver's handle