See also:

Manual transmission (if so equipped)
The ignition switch includes a device that helps prevent accidental removal of the key while driving. The key can only be removed when the ignition switch is in the LOCK position. On manual tr ...

Key reminder chime
A chime sounds if the driver’s door is opened while the ignition switch is placed in the ACC or OFF position or placed in the OFF or LOCK position with the Intelligent Key left in the Intelligent ...

Never leave these keys in the vehicle.
Additional or replacement keys. If you still have a key, the key number is not necessary when you need extra NISSAN Vehicle Immobilizer System keys. Your dealer can duplicate your existing key. ...