Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S.
government testing procedures. The ratings are molded into the sidewall of the tire.
See also:
Setting the specified minimum distance
WARNING
It is up to the driver to exercise discretion to
select the appropriate setting given road
conditions, traffic, driver's preferred driving
style and applicable laws and driving
recom ...
M+S tires
At temperatures below 45 ‡(+7 †), use winter tires or all-season tires. Both
types of tire are identified by the M+S marking.
Only winter tires bearing the snowflake
symbol in addition to the M+ ...
Tire tread
WARNING
Although the applicable federal motor vehicle
safety laws consider a tire to be worn when
the tread wear indicators (TWI) become
visible at approximately 1/16 in (1.6 mm), we recomm ...
