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:
With Tip Start – Automatic Transmission Only
If the engine fails to start after you have followed the “Normal Starting” or
“Extreme Cold Weather” procedures, it may be flooded. To clear any excess fuel,
push the accelerator pedal all ...
Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not spin your vehicle’s
wheels above 30 mph (48 km/h).
WARNING!
Fast spinning tires can be dangerous. Forces generated by excessive wheel spe ...
Wind Buffeting
Wind buffeting can be described as the perception of
pressure on the ears or a helicopter-type sound in the
ears. Your vehicle may exhibit wind buffeting with the
windows down, or the sunroof (i ...


