Department Of Transportation Uniform TireQuality 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:

Accessories purchased by the owner
If after buying the car, you decide to install electrical accessories that require a permanent electric supply (alarm, satellite antitheft system, etc.) or accessories that in any case burden the ...

Device engagement
Turn knurled ring (A) to ON. The device may only be engaged in the 4th or 5th or 6th gear. Travelling downhill with the device engaged, the car speed may increase more than the memorised one. Wh ...

Emissions Inspection And MaintenancePrograms
In some localities, it may be a legal requirement to pass an inspection of your vehicle’s emissions control system. Failure to pass could prevent vehicle registration. For states that require an ...