Pontiac Sunfire owners manual page 290

text version of content this owner's manual page from owners manual to the vehicle Pontiac Sunfire, year of production 1995 - 2005:

Uniform Tire Quality GradingTreadwear Quality grades can be found where applicable on the tireThe treadwear grade is a comparative rating based on sidewall between tread shoulder and maximum sectionthe wear rate of the tire when tested under controlled width. For example: conditions on a specified government test course. Treadwear 200 Traction AA Temperature AFor example, a tire graded 150 would wear one and a half (1 1/2) times as well on the government course The following information relates to the systemas a tire graded 100. The relative performance of tires developed by the United States National Highwaydepends upon the actual conditions of their use, Traffic Safety Administration, which grades tires byhowever, and may depart significantly from the norm treadwear, traction and temperature performance. (Thisdue to variations in driving habits, service practices and applies only to vehicles sold in the United States.) Thedifferences in road characteristics and climate. grades are molded on the sidewalls of most passengerTraction -- AA, A, B, C car tires. The Uniform Tire Quality Grading system does not apply to deep tread, winter -type snow tires,The traction grades, from highest to lowest, are AA, space-saver or temporary use spare tires, tires withA, B, and C. Those grades represent the tire’s ability to nominal rim diameters of 10 to 12 inches (25 to 30 cm),stop on wet pavement as measured under controlled or to some limited-production tires.conditions on specified government test surfaces of While the tires available on General Motors passengerasphalt and concrete. A tire marked C may have poor cars and light trucks may vary with respect to thesetraction performance. Warning: The traction grade grades, they must also conform to federal safetyassigned to this tire is based on straight-ahead braking requirements and additional General Motors Tiretraction tests, and does not include acceleration, Performance Criteria (TPC) standards.cornering, hydroplaning, or peak traction characteristics. 6-45

owners manual Pontiac Sunfire

owners manual Pontiac Sunfire - year of production: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 - Pontiac Sunfire owners manual EN