1993 Cadillac Seville Owner's Manual - Page 269

F l Remove all the wheel nuts and take the off flat tire. P P P F A CAUTION: c Rust or dirt on !he w h d , o r the parts to which it is fastened, on can mahe the uhed nuts become loose after a time. The wheel cuuld conw o l l and c ~ u s e a n accident. When you change a wheel, remote un) rust or dirt from the places where the wheel attaches to the vehicle. In a n emergency, you can use a cloth or a paper towel to do this; but be sure to usescraper or a wire brush later, if you need to, to get all the rust dirt off. or I 255