DOT (Department Of Transportation) Quality Grades: In addition to meeting all applicable federal safety requirements, passenger car tires are assigned standardized quality grades.

Where applicable, these quality ratings are molded into the tire sidewall between the tread shoulder and the maximum section width. An example marking is: Treadwear 200 Traction AA Temperature A

Treadwear

The treadwear grade is a comparative rating based on the wear rate of a tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 is expected to wear one and one-half (1 1/2) times as well on the government test course as a tire graded 100. Actual tire life on a Mitsubishi Outlander can differ considerably from these standardized results because real-world wear is influenced by driving habits, maintenance practices, road surfaces, climate, vehicle loading, and other operating conditions.

Traction AA, A, B and C

Traction grades, from highest to lowest, are AA, A, B, and C. These ratings indicate the tire's ability to stop on wet pavement when tested under controlled conditions on specified government asphalt and concrete test surfaces. A tire marked with a C traction grade may provide comparatively lower wet braking traction.

WARNING

  • The traction grade assigned to a tire is based only on straight-ahead wet braking tests. It does not measure acceleration performance, cornering ability, hydroplaning resistance, or peak traction capability.

Temperature A, B and C

The temperature grades are A, the highest, followed by B and C. These ratings represent a tire's resistance to heat generation and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperatures can cause tire materials to deteriorate and shorten tire life, while excessive heat can lead to sudden tire failure. Grade C represents the minimum performance level that all passenger car tires must meet under Federal Motor Vehicle Safety Standard No.

109. Grades B and A indicate progressively higher levels of performance on the laboratory test wheel than the minimum required by law.

WARNING

  • The temperature grade assigned to a tire is established with the tire properly inflated and not overloaded. Excessive speed, underinflation, excessive loading, or any combination of these conditions can cause excessive heat build-up and increase the risk of tire failure.

Emission control system warranty

The Mitsubishi Outlander is covered by the following emission-related warranties.

  • Emission Defects Warranty
  • Emissions Performance Warranty

Complete terms, conditions, coverage periods, and other details for these warranties are provided together with the vehicle's other warranty information in the Warranty and Maintenance Manual supplied with the Mitsubishi Outlander.

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