B-Pillar Trim Regular Cab Removal/Installation

Remove the scuff plate.
For right hand B-pillar trim, remove the jack handle carrier cover and carrier.
For left hand B-pillar trim, remove the package tray mat (1) and package tray (2).

Fig 1: Removing Package Tray Mat And Package Tray
Courtesy of MAZDA MOTORS CORP.
Remove the seat belt D-ring cover and nut.
Disconnect seat belt D-ring.
Disconnect the seat belt anchor.
Remove the pushpins (1) and reposition B-pillar trim (2).

Fig 2: Removing Pushpins And B-Pillar Trim
Courtesy of MAZDA MOTORS CORP.
Disconnect the rear speaker connector.
Remove the B-pillar trim by feeding the seat belt webbing through the B-pillar trim.
Install in reverse order of removal.