Infiniti QX: 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 on the tire sidewall between tread shoulder and maximum section width. For example:
Treadwear 200 Traction AA Temperature A
Flat towing
Towing your vehicle with all four wheels on
the ground is sometimes called flat towing.
This method is sometimes used when
towing a vehicle behind a recreational
vehicle, such as a motor home. ...
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 wou ...
See also:
Tire glossary
See below for a glossary of frequently used terms:
lbf/in² or psi
Pounds per square inch, an imperial unit of measure for pressure.
kPa
Kilo Pascal, a metric unit of measure for pressure.
Co ...
Using Cruise Control on Hills
How well the cruise control works on hills depends on the vehicle speed, the
load, and the steepness of the hills. When going up steep hills, pressing the accelerator
pedal may be necessary to maint ...
Vehicle loading information
WARNING
► It is extremely dangerous to ride
in a cargo area inside the vehicle.
In a collision, people riding in
these areas are more likely to be
seriously injured or killed.
υ ...






