Kia Carnival 2007 Workshop Manual page 1129

2. Loosen the mounting bolts, then remove the seat back assembly (A).
3. Disconnect the auto tumble cable(B).
SEAT BACK COVER REPLACEMENT
1. Remove the recliner cover.
2. Remove the cover (A).
3. After the armrest mounting bolt, then remove the armrest (B).
4. Remove the seat back panel (A).