See also:

Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and Canadian Provinces, your vehicle may be required to be in what is called the “ready condition” for an Inspection/Maintenance (I/M) test of the emis ...

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 ...

Uniform tire quality grading
DOT (Department of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades. Quality grades can be found where applicable ...