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:

Voice Tree
NOTE: • You can replace “John Smith” with any name in your mobile or favorite phone book. You can also say “Send a message to John Smith” and the system will ask you which phone num ...

Radio AM
To switch to the AM band, say “AM” or “Radio AM”. In this mode, you may say the following commands: • “Frequency #” (to change the frequency) • “Next Station” (to select the ne ...

Exhaust Gas
WARNING! Exhaust gases can injure or kill. They contain carbon monoxide (CO), which is colorless and odorless. Breathing it can make you unconscious and can eventually poison you. To avoid breat ...