Subaru Impreza IV 4 owners manual page 430

text version of content this owner's manual page from owners manual to the vehicle Subaru Impreza, year of production 2011 - 2016:

Black plate (485,1) Consumer information and Reporting safety defects 13-15 Uniform tire quality grading form to Federal Safety Require-cified government test surfaces of standards ments in addition to these grades.asphalt and concrete. A tire marked C may have poor traction perfor- This information indicates the rela-&Treadwear mance. tive performance of passenger carThe treadwear grade is a compara- tires in the area of treadwear, tiveratingbasedonthewearrateof WARNING traction, and temperature resis-the tire when tested under con-Thetraction grade assigned to tance. This is to aid the consumertrolled conditions on a specifiedthis tire is based on straight- in making an informed choice in thegovernment test course. ahead braking traction tests, purchase of tires. For example, a tire graded 150and does not include accel- Quality grades can be found wherewould wear one and one-half (1-eration, cornering, hydroplan- applicable on the tire sidewall be-1/2) times as well on the govern-ing, or peak traction charac- tween tread shoulder and maxi-ment course as a tire graded 100.teristics. mumsection width. For example:The relative performance of tires Treadwear 200 Traction AA Tem-dependsupontheactualconditions&Temperature A, B, C perature A of their use, however, and may The quality grades apply to newdepart significantly from the normThe temperature grades are A (the pneumatic tires for use on passen-due to variations in driving habits,highest), B, and C, representing the ger cars. However, they do notservice practices and differences intire’s resistance to the generation of apply to deep tread, winter typeroad characteristics and climate.heat and its ability to dissipate heat snow tires, space-saver or tempor- when tested under controlled con- &Traction AA, A, B, C ditions on a specified indoor labora- ary use spare tires, tires with Thetraction grades, from highest totory test wheel. Sustained high nominal rim diameters of 12 incheslowest, are AA, A, B and C. Thosetemperature can cause the material13 or less, or to some limited produc-grades represent the tire’s ability toof the tire to degenerate and reduce tion tires. stop on wet pavementasmeasuredtire life, and excessive temperature All passenger car tires must con-under controlled conditions on spe-can lead to sudden tire failure. The – CONTINUED – 北米Model "A1120BE-B" EDITED: 2011/ 10/ 28

owners manual Subaru Impreza

owners manual Subaru Impreza - year of production: 2011, 2012, 2013, 2014, 2015, 2016 - Subaru Impreza IV 4 owners manual EN