See also:

Aftermarket fuel additives
NISSAN does not recommend the use of any aftermarket fuel additives (for example, fuel injector cleaner, octane booster, intake valve deposit removers, etc.) which are sold commercially. Many o ...

Warning/indicator lights and audible reminders
...

Intelligent Key door buzzer (if so equipped)
When the chime or buzzer sounds from inside and outside the vehicle, check for the following: - The ignition switch is turned to the LOCK position. - The intelligent Key is not left inside the ...