1999 Buick Riviera Owner's Manual - Page 222

yellowblue Removing the Flat Tire and Installing the Spare Tire 3. Turn the wheel wrench counterclockwise to lower the jack lift head until it fits under the vehicle. 1. Position the wheel wrench securely over the wheel nuts to loosen, but don't remove them yet. 2. Attach the wheel wrench to the bolt on the end of the jack to create a jack handle. 5-20