Sport Wagon

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.

Remove the trunk end trim.
Remove the trunk side upper trim.
Remove the trunk side trim cover.

Fig 1: Removing/Installing Trunk Side Trim Cover
Courtesy of MAZDA MOTORS CORP.
Remove the cargo hooks.
Remove the fasteners.
Pull the trunk side trim toward you, then disengage clips A from the body.
Install in the reverse order of removal.

Fig 2: Removing/Installing Trunk Side Trim
Courtesy of MAZDA MOTORS CORP.