See also:

Vehicle identification number (chassis number)
The vehicle identification number is located as shown. ...

NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer System will not allow the engine to start without the use of a registered key. Never leave these keys in the vehicle. Statement related to Section 15 of FCC Rules f ...

Initialization
When the ignition switch is placed in the ON position, NISSAN Voice Recognition is initialized, which takes a few seconds. If the button is pressed before the initialization completes, the syst ...