2003 Cadillac Seville Owner's Manual - Page 327

8. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. Never use oil or grease on studs or nuts. If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 9. Place the compact spare tire on the wheel-mounting surface. Rust or dirt on the leel, or on the p-.. _sto which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from the places where the wheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel to do this; but be sure to use a scraper or wire brush later, if you need to, to get all the rust or dirtoff. 5-78