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 Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square
inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per
square inch).
Accessory Weight: Th ...
Wheel changing
1. Read and observe the warnings in Wheel changing safety.
2. Before raising the vehicle, use the wheel nut brace to slacken the wheel nuts
half a turn counter-clockwise.
3. Position the jack unde ...
USB Supported Devices
► USB Flash Drives
► Portable USB Hard Drives
► Fifth generation or later iPod
► iPod nano
► iPod touch
► iPod classicNot all iPods and USB drives are compatib ...






