See also:

Engine serial number
The number is stamped on the engine as shown. ...

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. ...

Automatic door locks
● All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). ● All doors unlock automatically when the ignition is placed in the OFF position. The automatic unlock f ...