Treadwear

Treadwear - Uniform tire quality grading - Technical and consumer information - Infiniti QX Owners Manual - Infiniti QX

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 would wear one and one-half (1 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.

    See also:

    Waxing
    Regular waxing protects the paint surface and helps retain new vehicle appearance. Polishing is recommended to remove builtup wax residue and to avoid a weathered appearance before reapplying wax. A ...

    Engine serial number
    The number is stamped on the engine as shown. ...

    Rear window wiper and washer switch
    WARNING In freezing temperatures the washer solution may freeze on the rear window glass and obscure your vision. Warm the rear window with the defroster before you wash the rear window. C ...