Engine serial number
Nissan Maxima / Nissan Maxima Owners Manual / Technical and consumer information / Engine serial number

The number is stamped on the engine as shown.
See also:
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. ...
Storage box (if so equipped)
...
Compact disc (CD) with MP3 or
WMA (models without Navigation
System)
Terms:
● MP3 — MP3 is short for Moving Pictures
Experts Group Audio Layer 3. MP3 is the
most well-known compressed digital audio
file format. This format allows for near “CD
quality” ...
