Altima L4-2.5L (QR25DE) (2009)
11. Remove the nut securing the seat belt buckle to the seat frame assy. Unplug the buckle harness from the seat harness. Discard the buckle and nut.
NOTE:
The nut must not be reused. A new nut will come with the new buckle.
12. Using a trim tool with a U-shaped fork (such as Snap-On AI77A or equivalent) remove the trim retainer from the seat frame.
13. Using a trim tool with a U-shaped fork (such as Snap-On AI77A or equivalent) remove the trim retainer from the seat frame.