Mazda 3 2004 Owner's Manual page 572

vehicles may vary with respect to
grade.
ALL PASSENGER VEHICLE TIRES MUST
CONFORM TO THESE GRADES AND
TO ALL OTHER FEDERAL TIRE-SAFETY
REQUIREMENTS.
Uniform Tire Quality Grading System (UTQGS)
Specifications/Customer Information and Reporting Safety Defects
UNIFORM TIRE QUALITY
Quality grades can be found where
applicable on the tire sidewall
between tread shoulder and maximum
section width.
For example:
TREADWEAR 200 TRACTION AA
TEMPERATURE A
UTQGS MARK (example)
GRADING
10-29