1999 Cadillac Catera Owner's Manual - Page 227
1999 Cadillac Catera Manual
Page 227 highlights
yellowblue Removing the Spare Tire and Tools Unbuckle the tire and lift it up to remove it from the trunk. The equipment you'll need is in the trunk. On the driver's side of the trunk is the spare tire. Pull the fasteners on the spare tire cover to access the tire. 5-19