A/C Identification Label
WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Vehicles are equipped factory installed fluorescent dye and have this identification label on the under side of hood.
NOTE:
Vehicles equipped with factory installed fluorescent dye have a green label.
Courtesy of NISSAN MOTOR CO., U.S.A.