1997 Buick Park Avenue Owner's Manual - Page 315

for After the tires have been rotated, adjust the front and rear When It's Time New Tires inflation pressures as shown on the Tire-Loading One way to tell when it's al Information label. Make certain thatl wheel nuts are time for new tires is to in properly tightened. See "Wheel Nut Torque" the Index. check the treadwear indicators, which will appear when your tires have only 1/16 inch (1.6 mm) or less of tread remaining. Rust or dirton a wheel, or on the partsto which it is fastened, can makewheel nuts become loose off after atime. The wheel could come and cause an accident. Whenyou change a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In anemergency, you can You need a new tire if any of the followingstatements use a cloth or a paper towel to do this; but be are true: sure to a scraper or use wire brush later, if you 0 You can see theindicators at three or more places need to,to get all the rust or dirt (See off. around the tire. "Changing a FlatTire" in the Index.) 0 You can see cord or fabric showing through the tire's rubber. The tread or sidewall cracked, cut or snagged deep is enough to show cord or fabric. The tire has a bump, bulge or split. 0 0 6-51