The following, from service cd, may help you solve or more clearly describe your problem.
Seat Front Backrest (Manual)Assembly -
Removal
1. Remove the front seat. Refer to the procedure in this section.
2. Remove the backrest adjust lever.
- Pull the spring clip up to release the handle.
- Remove the handle.
3. Remove the seat base outer trim panel.
- Remove the retaining screw.
- Pull the panel to release the two retaining dowels.
4. Remove the seat base inner trim panel.
- Remove the retaining screws.
5. Detach the inner backrest release cable.
6. Detach the outer backrest release cable.
7. CAUTION: Make sure the seat back is fully upright before proceeding to the next step.
Detach the inner seat backrest spring assister.
8. Remove the seat backrest.
- Remove the two backrest spring assister retaining screws.
- Remove the two Torx retaining screws.
Installation
1. To install, reverse the removal procedure.