1999 Buick Regal Owner's Manual - Page 226

yellowblue Removing the Spare Tire and Tools (See "Compact Spare Tire" in the Index for more information about the compact spare.) 1. The equipment you'll need is in the trunk. Pull the carpeted mat up from the floor of the trunk. Turn the center nut on the compact spare cover counterclockwise to remove it. Then lift and remove the cover. 2. Remove the spare tire. 5-22