1996 Buick LeSabre Owner's Manual - Page 222

A CAUTION: Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. Thewheel could come off and cause an accident. When change a you wheel, remove any rust or dirt from places the where the wheel attaches to the vehicle. In an towel emergency, you can use a cloth or a paper a scraper or wire to do this; but be sure to use brush later, if you need to, to get all the or rust dirt off. Place the spare on the wheel mounting,surface and replace thewheel nuts with the rounded end of the nuts toward the wheel. . I Make sure each wheel stud is centered in each wheel hole while tightening the nuts. Tighten each nut by hand until the wheel is held against the hub. Never use oil grease on studs or nuts. or If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 5-30