Brake system

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

See also:

Reporting safety defects (US only)
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 Administration (NHTSA) ...

Size & Maneuverability
The Frontier has grown over the years with various redesigns, a trend that's affected both trucks and cars. That said, it's still pretty easy to drive the Frontier in the city. Even on Chicago's ...

Side ventilators
Side ventilators Open or close, and adjust the air flow direction of ventilators as illustrated. ...