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) ...

Exterior
A new dark gray body color is available; it's called Night Armor. The Frontier is only available in King Cab (extended cab) and crew cab body styles with either a 4x2 or 4x4 drivetrain. Tough PR ...

Head restraints
WARNING: Head restraints supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjust the head restraints properly ...