Uniform tire quality grading

DOT (Department Of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades.

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

See also:

Safety note
WARNING • Do not disassemble or modify this system. If you do, it may result in accidents, fire, or electric shock. • Do not use this system if you notice any abnormality, such as a frozen s ...

Driving on snow or ice
WARNING • Wet ice (328F, 08C and freezing rain), very cold snow or ice can be slick and very hard to drive on. The vehicle will have much less traction or “grip” under these conditions. T ...

Difference between predictive and actual distances
Backing up on a steep uphill When backing up the vehicle up a hill, the distance guide lines and the vehicle width guide lines are shown closer than the actual distance. For example, the displ ...