For Second-row Seat

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Partially peel off the front floor covering. (See FRONT FLOOR COVERING REMOVAL/INSTALLATION .)
Remove in the order indicated in the illustration.

Fig 1: Removing Order Of Rear Heat Duct Component
Courtesy of MAZDA MOTORS CORP.

Fig 2: Removing/Installing Rear Heat Duct Component
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.