See also:

Additional assistance
If you have questions or concerns, or are unsatisfied with the service you are receiving, follow these steps: 1. Contact your Sales Representative or Service Advisor at your selling/servicing autho ...

Information about uniform tire quality grading
Tire Quality Grades apply to new pneumatic passenger car tires. The Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For ...

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would w ...