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:
Performance to Match Looks
Despite its size and 4,650-pound curb weight, the CL550 has performance to
match its looks. It shares its engine and seven-speed automatic transmission
with the S-Class, and as of the 2009 model y ...
Tire labeling overview
The following markings are on the tire in
addition to the tire name (sales designation)
and the manufacturer's name:
1 Uniform tire Quality Grading Standard
2 DOT, Tire Identification Number
...
Making adjustments in 1 mph (Canada: 1 km/h) increments
Briefly press the cruise control lever to the pressure point, up 1 for a higher
speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...