1998 Buick Riviera Owner's Manual - Page 228

Removing the Spare Tire and Tools 2. Remove the wheel wrench andjack from the jack container. Turnthe spare tire retainer bolt to the left and removethe retainer assembly. 3. Remove the spare tire fromthe trunk. The equipment you'll need in the trunk. is Instructions for changing your tires are on inside of the the tire cover. You can rest the cover near you easy for reference while you change the tire. 1. Lift and removethe spare tire coverfor access to the spare tire and jack. The tools you'll be using include the (A) and wheel jack wrench (B).