Jeep Liberty: Treadwear - Department Of Transportation Uniform Tire Quality Grades - If You Need Consumer Assistance - Jeep Liberty Owner's ManualJeep Liberty: 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 would wear one and one-half times as well on the government course as a tire graded 100. The relative performance of tires depends upon the 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.

    Department Of Transportation Uniform Tire Quality Grades
    the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle. All p ...

    Traction Grades
    The Traction grades, from highest to lowest, are AA, A, B, and C. These grades represent the tire’s ability to stop on wet pavement, as measured under controlled conditions on specified govern ...

    See also:

    Screensaver (type D audio)
    If the following operations are not performed for more than 30 seconds while the audio is ON, the screensaver will be displayed. - Operate any button or dial - Shift the shift lever/select le ...

    Opening the hood
    WARNING Do not pull the release lever while the vehicle is in motion. Otherwise, the hood could be forced open by passing air flow. This could cause the hood to come loose and injure you and ...

    Fan speed control dial
    Fan speed control dial The fan operates only with the ignition switch in the ON position. The fan speed control dial is used to select the AUTO (automatic control) mode or to select the des ...