1997 Cadillac Eldorado Owner's Manual - Page 261

The compact spare is for temporary use only. Replace the compact spare tire with a full-size tire as soon as you can. See the storage instructionsBabel to replace your compact spare into your trunk properly. c Although the compactspare tire was fully inflated when your vehiclewas new, it can lose airafter a time. Check the inflation pressure regularly. should be It 60 psi (420 Wa). After installing the compact spare on your vehicle, you should stop as soon as possible and make sure your spare tire is correctly inflated. The compact spare is made to perform well at speeds up to 65 mph (105 k / ) m hfor distances up to 3,000 miles (5 000 km), so you can finish your trip and have your full-size tire repaired or replaced where you want. Of course, it's best to replace your spare with a full-size tire as soon as you can. Your spare will last longer be in good shape incase you and need it again. When the cornpact spareis installed, don't take your vehicl rough an automatic car wash with guide rails. compact spare can get caught on the rails. That can damage tire and wheel, the sand maybe other parts of your vehicle.