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:

Base System
The Tire Pressure Monitor System (TPMS) uses wireless technology with wheel rim-mounted electronic sensors to monitor tire pressure levels. Sensors, mounted to each wheel as part of the valve st ...

Entering From The Side
Vehicles that move into your adjacent lanes from either side of the vehicle. Side Monitoring ...

ECO (Fuel Saver Mode) — If Equipped
The ECO message will display below the outside temperature in the EVIC display (if the audio system is on the ECO indicator will override the audio information display line) if the Display Fuel ...