WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
Replace any clips and/or fasteners which are damaged during removal or installation.
Fig 1: Clip And Fastener Description Chart (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Clip And Fastener Description Chart (2 Of 2)