A/C Identification Label
WARNING: This page is about a different car, the 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
Vehicles with factory installed fluorescent dye have this identification label on the underside of hood.
NOTE:
Vehicles with factory installed fluorescent dye have a green label.
Courtesy of NISSAN MOTOR CO., U.S.A.