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:

Fuel recommendation
MR20DE and QR25DE engine except Spec-V Use unleaded regular gasoline with an octane rating of at least 87 AKI (Anti-Knock Index) number (Research octane number 91). QR25DE engine Spec-V only Us ...

Speedometer and odometer
Speedometer and odometer Speedometer The speedometer indicates the vehicle speed. Odometer/Twin trip odometer The odometer/twin trip odometer is displayed when the ignition switch is placed ...

Reporting safety defects
For USA If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administratio ...