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:
SEEK Button
Press the right SEEK button for the next selection on the CD. Press the left
SEEK button to return to the beginning of the current selection, or return to the
beginning of the previous selection i ...
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 woul ...
Automatic Locking Retractor Mode (ALR) — If Equipped
In this mode, the shoulder belt is automatically prelocked.
The belt will still retract to remove any slack in the shoulder belt. The Automatic
Locking Mode is available on all passenger-seating po ...