See also:

Brake system
The brake system has two separate hydraulic circuits. If one circuit malfunctions, you will still have braking at 2 wheels. ...

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. ...

Supplemental air bag warning labels
Warning labels about the supplemental frontimpact air bag system are placed in the vehicle as shown in the illustration. ...