Infiniti QX: 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 wear one and one-half (1 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.
Uniform tire quality grading
DOT (Department Of Transportation) Quality
Grades: All passenger car tires must
conform to federal safety requirements in
addition to these grades.
Quality grades can be found where applicable ...
Traction AA, A, B and C
The traction grades, from highest to lowest,
are AA, A, B and C. Those grades
represent the tire’s ability to stop on wet
pavement as measured under controlled
conditions on specified govern ...
See also:
Satellite radio reception
Satellite radio can significantly increase the number of radio channels available.
Where satellite signal strength is adversely affected by terrain, ground transmitters
are used to relay the signal ...
Power Assist Steps
The vehicle may have power assist steps. To enable or disable the power assist
steps push .
The power assist steps automatically extend from beneath the vehicle on the side
in which the door has ...
Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...
