A Pillar Trim Removal/Installation
1. Partially peel back the seaming welt.
2. Pull the upper end of the A-pillar trim in the direction of the arrow shown in the figure and remove clip A and B.

3. Cut the lead wire connecting clip B and grommet using a nipper and pull out the A-pillar trim in the direction of the arrow shown in the figure.

CAUTION:
When pulling out the A-pillar trim, be careful not to damage the tabs C.
4. Move the hook in the direction of arrows (1) and (2) shown in the figure using a flathead screwdriver and detach it from the A-pillar inner panel.

5. Remove the grommet in the direction of the arrow (3) shown in the figure.
6. When installing the A-pillar, install the new clip B and grommet to the A-pillar trim in advance.
7. 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.