1995 Cadillac DeVille Owner's Manual - Page 268

COMPACT SPARE TIRE I NOTICE: Don't take your compact spare through an automatic car wash with guide rails. The compact spare can get caught on the rails. That can damage the tire and wheel. and maybe other parts of your vehicle. Don't use your compact spare on some other vehicle. And don't mix your compact spare or wheel w i t h other wheels or tires. They won't fit. Keep your spare and its wheel together. NOTICE: Tire chains won't fit your compact spare. Using them will damage your vehicle and destroy the chains too. Don't use tire chains on pour compact spare.