1998 Buick Skylark Owner's Manual - Page 264

Tire Inspection and Rotation Tires should be rotated every 6,000 to 8,000 miles (10 000 to 13 000 km). Any time you notice unusual wear, rotate your tires as soon as possible and check wheel alignment. Also check damaged tires for or wheels. See "When It's Timefor New Tires" in and "Wheel Replacement" later this section for more information. The purpose of regular rotation to achieve more uniform is l wear for al tires on the vehicle. The first rotation is the most important. See "Scheduled Maintenance Services" in the Index for scheduled rotation intervals. Don't include the compact spare tireyour in tire rotation. After the tires have been rotated, adjust the front and rear inflation pressures as shown on Tire-Loading the Information label. Make certain that all wheel nuts are properly tightened.See "Wheel Nut Torque" in the Index. to Rust or dirton a wheel, or on the parts which it is fastened, canmake wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change awheel, remove any rust or dirt from places where thewheel attaches to the vehicle. In anemergency, you can use a cloth or a paper towel to do this; butbe sure touse a scraper or wire brush later,if you need to, toget all the rust or dirt (See off. "Changing a Flat Tire" in the Index.) When rotating your tires, always use the correct rotation pattern shown here. 6-41