See also:

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

Brakes
If the brakes do not operate properly, have the brakes checked by a NISSAN dealer. ...

Reporting safety defects
For USA If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administratio ...