1. Check Fuel Filler Cap Design

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Check for genuine NISSAN fuel filler cap design.

Fig 1: Identifying Genuine NISSAN Fuel Filler Cap
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 2.
NG: Replace with genuine NISSAN fuel filler cap.