Nissan X Trail T30 I 1 owners manual page 269

text version of content this owner's manual page from owners manual to the vehicle Nissan X-Trail, year of production 2001 - 2009:

UNIFORMTIREQUALITY GRADING recommendations when using their product.DOT (Department Of Transportation) Qualitycrete. A tire marked C may have poor traction Manual transmission Grades: All passenger car tires must conform toperformance. federal safety requirements in addition to these All mode 4WD (four-wheel drive) models:grades. WARNING NevertowAllmode4WDmodelswithanyoftheQuality grades can be found where applicable wheels on the ground. on the tire sidewall between tread shoulder andThe traction grade assigned to your ve- maximum section width. For example:hicle tires is based on straight-ahead Treadwear 200 Traction AA Temperature Abraking traction tests, and does not in- clude acceleration, cornering, hydro- Treadwear planing, or peak traction characteristics. The treadwear grade is a comparative rating based on the wear rate of the tire when testedTemperature A, B and C under controlled conditions on a specified gov- ernment test course. For example, a tire gradedTemperature grades are A (the highest), B, and 150 would wear one and one-half (1 1/2) timesC. They represent a tire’s resistance to heat as well on the government course as a tirebuild-up, and its ability to dissipate heat when graded 100. The relative performance of tirestested under controlled conditions on a speci- dependsupontheactualconditions of their use,fied indoor laboratory test wheel. Sustained high however, and may depart significantly from thetemperature can cause tire material to degener- norm due to variations in driving habits, serviceate, reducing tire life. Excessive temperatures practices and differences in road characteristicscan lead to sudden tire failure. Grade C corre- and climate. spondstoaperformancelevel which all passen- ger car tires must meet under the Federal Motor Traction AA, A, B and C Vehicle Safety Standard No. 109. Grades A and The traction grades, from highest to lowest, areB represent higher levels of performance on AA, A, B, and C. Those grades represent thelaboratory test wheels than the minimum re- tire’s ability to stop on wet pavement as mea-quired by law. sured under controlled conditions on specified government test surfaces of asphalt and con- 9-22 Technical and consumer information 06.4.14/T30-J/V5.0

owners manual Nissan X-Trail

owners manual Nissan X-Trail - year of production: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 - Nissan X Trail T30 I 1 owners manual EN