See also:

Emission control information label
The emission control information label is attached to the underside of the hood as shown. ...

Crew Cab
Maximum towing capacity: 6,300 pounds (4x2), 6,100 pounds (4x4 V-6) Maximum payload range: 1,125-1,437 pounds (depending on trim, transmission) Standard bed dimensions: 59.5 inches long, 58.8 inches ...

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. ...