Uniform Tire Quality Grading (UTQG)

For details, refer to “Uniform tire quality grading standards”.

    See also:

    Door interlock switch
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    Interior lights
    When leaving your vehicle, make sure the lights are turned off to avoid battery discharge. ...

    Traction AA, A, B, 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 t ...