Caution
4SD
1. Fold the rear seat back.
2. Remove the rear side seats.
3. Remove the rear package trim.
4. Remove the bolts.

5. Remove the rear seat belt.
6. Install in the reverse order of removal.
5HB
Note
Front seat belt removal/installation
Rear center seat belt removal/installationMazda 6 Service Manual: Front buckle removal/installation
1. Perform the following procedure for vehicles with seat belt warning.
(1) Disconnect the negative battery cable.
(2) Remove the front seat.
(3) Disconnect the buckle switch connector.
2. Perform the following procedure for vehicles without seat belt warning.
(1) Remove the console.
...
Mazda 6 Service Manual: Rear door unit removal/installation
1. Remove the rear door glass.
2. Remove the inner handle.
3. Remove the rear door speaker.
4. Disconnect the power window motor connector, and power door lock actuator
connector.
5. Remove the rear door harness from the rear door unit.
6. Remove the bolts.
7. Remove the rear door lock act ...