Trunk Side Trim Removal/Installation
1. Remove the following parts:
a. Rear scuff plate.
b. Tire house trim.
c. Trunk mat.
d. Trunk board.
e. Trunk end trim.
f. Service hole cover
2. Remove the fasteners.

3. Install in the reverse order of removal.
Right-side1. Remove the following parts:
a. Rear scuff plate.
b. Tire house trim.
c. Trunk mat.
d. Trunk board.
e. Trunk end trim.
2. Remove the fasteners and tab.

3. Install in the reverse order of removal.
5HB1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear seat.
b. Rear scuff plate.
c. Tire house trim.
d. Trunk end trim.
e. Trunk side upper trim.
3. Remove the bolts, then remove the cargo net hooks.

4. Remove the fasteners.
5. Pull the trunk side trim in the direction of arrow, while remove the clip.

6. Remove the trunk side trim.
7. Disconnect the cargo compartment light connector. (Right-side only)
8. Install in the reverse order of removal.
Test yourself
A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.