See also:

Vehicle identification number (chassis number)
The vehicle identification number is located as shown. ...

Warning signals
To help prevent the vehicle from moving unexpectedly by erroneous operation of the Intelligent Key or to help prevent the vehicle from being stolen, a chime or buzzer sounds from inside and outsid ...

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 ...