1996 Buick Skylark Owner's Manual - Page 267

Warning: The temperature grade this tireis for established for a tire that properly inflated and not is The traction grades, from highest to lowest, A, B, are overloaded. Excessive speed, underinflation, or and C , and they represent the tire's ability to stop on wet pavement as measured under controlled conditions on excessive loading, either separately or in combination, can cause heat buildup and possible tire failure. of specified government test surfaces asphalt and concrete. A tire markedC may have poor traction performance. Warning: The traction grade assigned to this tire is based on braking (straightahead) traction tests and does not include Cornering (turning) traction. , Traction A,.B, C - t Wheel Alignment and Tire Balance The wheels on your vehicle were aligned and balanced tire life, carefully at the factory to give you the longest and best overall performance. Temperature A, B, C The temperature grades are (the highest),B, and C, A representing the tire's resistance the generationof to heat andits ability to dissipate heat when.testedunder controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the Wheel Replacement life, material of the tire to degenerate ahd reduce tire and Replace any wheel thatis bent, cracked,or badly rusted excessive temperature can lead sudden tire failure. to or corroded.If wheel nuts keep coming loose, the wheel, The grade C corresponds to a levelof performance If the wheel bolts and wheel nuts should be replaced. which all passenger car tires must meet under the it wheel leaks air, replace (except some aluminum Federal MotorVehicle Safety StandardNo. 109. Grades wheels, which can sometimes be repaired). your See of B andA represent higher levels performance on the Buick dealerif any of these conditions exist. laboratory test wheel than the minimum required by law. - In most cases, you will not need to have your wheels aligned again. However, if you notice unusual tire wear or your vehicle pulling one way the other, the or alignment may needto be reset.If you notice your vehicle'vibrating when driving on a smooth road, your wheels may need to be rebalanced. 6-40