1998 Buick Skylark Owner's Manual - Page 210

Removing the Spare'Tire and Tools The equipment you'll need is in the trunk. Pull the carpeting from the floor of the trunk. Turn the center retainer nut on the compact spare tire housing to the left to removeit. Lift and remove the cover. will findthe jacking You instructions label on underside of the tire cover. See the "Compact Spare Tire" later in this sectionfor more information aboutthe compact spare. The following steps will tell you how to usejack and the change a tire. 5-23