Mazda 2010 Mazda3 4-Door Owner's Manual page 441

Customer Information
Tire Information (U.S.A.)
Tire Labeling
Federal law requires tire manufacturers to place standardized information on the sidewall of
all tires. This information identifies and describes the fundamental characteristics of the tire
and also provides a tire identification number for safety standard certification and in case of
a recall.
qInformation on Passenger Vehicle Tires
Please refer to the diagram below.
1. TIN: U.S. DOT tire identification number
2. Passenger car tire
3. Nominal width of tire in millimeters
4. Ratio of height to width (aspect ratio)
5. Radial
6. Rim diameter code
7. Load index & speed symbol
8. Severe snow conditions
9. Tire ply composition and materials used
10. Max. load rating
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