Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width.
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Uniform Tire Quality Grading For example: Treadwear 200 All passenger car tires must conform to Federal Safety Requirements in addition to these grades. |
DOT Tire Quality Grading (U.S. Vehicles)
TreadwearHonda Civic Owners Manual. Maintenance Service Items
Maintenance Service Items
Inspect idle speed every 160,000 miles (256,000
km).
Adjust the valves during services A, B, 1, 2, or 3 if they
are noisy.
U.S. models
*1: If a Maintenance Minder indicator does not appear more than 12 months
af ...