See also:

NISSAN Intelligent Key™
Your vehicle can only be driven with the Intelligent Key which are registered to your vehicle’s Intelligent Key components and NISSAN Vehicle Immobilizer System components. Never leave these key ...

Engine serial number
MR20DE QR25DE The number is stamped on the engine as shown. ...

Trip computer (if so equipped)
When the ignition switch is placed in the ON position, modes of the trip computer can be selected by pushing the trip computer change button on the instrument panel located near the speedomete ...