1998 Cadillac Seville Owner's Manual - Page 271

Storing the SpareTire and Tools SPARE TIRE COVER 'A CAUTIC J: Storing a jack, a tire or other equipment in the passenger compartmentof the vehicle could cause injury. Ina sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. The compact spare isfor temporary use only. Replace a as the compact spare tire withfull-size tire as soon you can. See the storage instructions label to replace your compact spareinto your trunk properly. A 5-34