Infiniti QX: Traction AA, A, B and C - Uniform tire quality grading - Technical and consumer information - Infiniti QX Owner's ManualInfiniti QX: 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 government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance.

The traction grade assigned to this tire is WARNING
The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristics.

    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 ...

    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 ...

    See also:

    Services Specific to Canadian-Purchased Vehicles
    Fuel delivery: Reimbursement is approximately $5 Canadian. Diesel fuel delivery may be restricted. Propane and other fuels are not provided through this service. Lock-Out Service: Vehicle reg ...

    Operation
    1 Left-hand standing lamps 2 Right-hand standing lamps 3 Lights off/daytime running lamps 4 Automatic headlamp mode/daytime running lamps 5 Parking lamps, license plate and instrument cluster ...

    Cleaning the windows
    WARNING   Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/S ...