Infiniti QX: Temperature A, B and C - Uniform tire quality grading - Technical and consumer information - Infiniti QX Owner's ManualInfiniti QX: Temperature A, B and C

The temperature grades A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.

The temperature grade for this tire is WARNING
The temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, under-inflation, or excessive loading, either separately or in combination, can cause heat build-up and possible tire failure.

    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 ...

    Emission control system warranty
    Your INFINITI is covered by the following emission warranties. For USA: ► Emission Defects Warranty ► Emissions Performance Warranty Details of these warranties may be found with o ...

    See also:

    Points of interest (POI)
    After selecting Points of interest from the menu, touch Name to input the POI name, for example, Gasoline to display fuel stations on the map, or touch List for a list of POIs. Alternatively, choo ...

    Headphones
    The volume control for each set of headphones is adjusted on the headphones. Press the channel selector button to cycle through available channels. Select the channel appropriate for the required s ...

    Topping up the power steering fluid
    NOTICE Power steering fluid will damage painted surfaces. Soak up any spillage with an absorbent cloth immediately and wash the area with a mixture of car shampoo and water. Do not fill the ...