Trunk End Trim Removal/Installation: 5-Door

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Pull the trunk end trim upward, then disengage clips A, pins B, and hooks.
Remove the trunk end trim.
Install in the reverse order of removal.

Fig 1: Removing/Installing Trunk End Trim (5-Door)
Courtesy of MAZDA MOTORS CORP.