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:

Blower Control
For full automatic operation or for automatic blower operation, turn the knob to the AUTO position. In manual mode, there are seven blower speeds that can be individually selected. In off positi ...

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 ...

Headphones Operation
The headphones receive two separate channels of audio using an infrared transmitter from the video screen. Front seat occupants receive some headphone audio coverage to allow them to adjust the h ...