Infiniti QX: Uniform tire quality grading - Technical and consumer information - Infiniti QX Owner's ManualInfiniti 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 ...

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Recirculation
When selected, the air is inside of the screen. recirculated inside the vehicle. This helps to maintain a high or low temperature, and is useful for preventing fumes entering the vehicle. Note: ...

Power Steering Fluid
The power steering fluid reservoir is located under the engine cover on the passenger side of the vehicle. See Engine Compartment Overview  for reservoir location. When to Check Power Steer ...

Tire Sealant and Compressor Kit
This vehicle may come with a spare tire and tire changing equipment or a tire sealant and compressor kit. The kit can be used to temporarily seal small punctures in the tread area of the tire. S ...