Department Of Transportation Uniform Tire Quality Grades
The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
Compass Variance
Refer to “Compass Display” for more information. ...
Tire Pressure
Proper tire inflation pressure is essential to the safe and
satisfactory operation of your vehicle. Three primary
areas are affected by improper tire pressure: ...
Cargo & Towing
The Grand Cherokee's cargo area measures 35.1 cubic feet, which is 5.6 cubic
feet larger than the prior model's cargo area but less than what the Toyota
4Runner (47.2 cubic feet) and Nissan Pathfi ...