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:
Critical warning message (red)
Illuminates when a critical warning message is available in the message center. ...
Cruise Control Messages
CRUISE SET TO XXX
This message displays whenever the cruise control is set. See Cruise Control
for more information. ...
Jump Starting
For more information about the vehicle battery, see Battery .
If the vehicle's battery has run down, you may want to use another vehicle and
some jumper cables to start your vehicle. Be sure to ...
