Nissan Sunny Sentra N16 owners manual page 222

text version of content this owner's manual page from owners manual to the vehicle Nissan Sunny, year of production 2000 - 2005:

UNIFORMTIRE QUALITY GRADING DOTQualityGrades:Allpassengercartireshave poor traction performance.WARNING must conform to Federal Safety Require-WARNING The temperature grade for this tire is ments in addition to these grades. established for a tire that is properly Quality grades can be found where appli-The traction grade assigned to yourinflated and not overloaded. Excessive cable on the tire sidewall between treadvehicle tires is based on straight-aheadspeed, under-inflation, or excessive shoulder and maximum section width. Forbraking traction tests, and does notloading, either separately or in combi- example: include acceleration, cornering, hydro-nation, can cause heat build-up and Treadwear200TractionAATemperatureAplaning, or peak traction characteris-possible tire failure. tics. Treadwear Treadwear grade is a comparative ratingTemperature A, B and C based on tire wear rate when tested underTemperature grades are A (the highest), B, controlled conditions on specified govern-and C. They represent a tire’s resistance to ment test courses. For example, a tireheat build-up, and its ability to dissipate graded 150 would wear one and a halfheat when tested under controlled condi- (1-1/2) times as well on the governmenttions on a specified indoor laboratory test course as a tire graded 100. However,wheel. Sustained high temperature can relative tire performance depends on actualcause tire material to degenerate, reducing driving conditions, and may vary signifi-tire life. Excessive temperatures can lead to cantly due to variations in driving habits,sudden tire failure. Grade C corresponds to service practices and differences in roadaperformancelevelwhichallpassengercar characteristics and climate.tires must meet under the Federal Motor Traction AA, A, B and C Vehicle Safety Standard No. 109. Grades A The traction grades, from highest to lowest,and B represent higher levels of perfor- are AA, A, B, and C. Those grades repre-mance on laboratory test wheels than the sent a tire’s ability to stop on wet pavementminimum required by law. as measured under controlled conditions, on specified government test surfaces of asphalt and concrete. A tire marked C may Technical and consumer information 9-19 ZX

owners manual Nissan Sunny

owners manual Nissan Sunny - year of production: 2000, 2001, 2002, 2003, 2004, 2005 - Nissan Sunny Sentra N16 owners manual EN