Department Of Transportation Uniform Tire Quality Grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

Window Fogging
Interior fogging on the windshield can be quickly removed by turning the mode selector to Defrost. The Defrost/Floor mode can be used to maintain a clear windshield and provide sufficient heatin ...

Working With Automated Systems
This method is used in instances where one generally has to press numbers on the mobile phone keypad while navigating through an automated telephone system. You can use your Uconnect™ Phone to ...

Under the Hood
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