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:
Towing A Disabled Vehicle
This section describes procedures for towing a disabled
vehicle using a commercial wrecker service. If the transmission
and drivetrain are operable, disabled vehicles
may also be towed as descri ...
Rear Window Wiper/Washer
The rear wiper/washer is controlled by a rotary switch
located on the control lever. The control lever is located
on the left side of the steering column.
Rear Wiper/Washer Control
Rotate th ...
Treadwear
The Treadwear grade is a comparative rating, based on the wear rate of the tire
when tested under controlled conditions on a specified government test course. For
example, a tire graded 150 would ...