Sequence of works
1. Remove the door frame trim along the center pillar.
2. Use a screwdriver to loosen the four clips at the top of the iron edge.
3. Remove the upholstery upwards.
4. Unfold the ends of the seat belt.
5. Remove the trim at the bottom of the threshold.
6. After installation, check the seat belt adjuster. It should lock in three positions.
