See also:

When to replace tires
The original tires on your car have tread wear indicators . The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear wh ...

Tire Quality Grading
Department of Transportation quality grades - All passenger vehicle tires must conform to Federal motor vehicle Safety Standards in addition to these grades. These quality grades are molded on the ...

Radial-ply tires
Radial-ply tires provide improved tread life, road hazard resistance and smoother high speed ride. The radial- ply tires used on this vehicle are of belted construction, and are selected to comple ...