1995 Buick Riviera Owner's Manual - Page 202

11 INCHES I I 1 17.5 INCHES Using the wheel wrench, loosen all the wheel nuts. Don't remove them yet. Position thejack under the vehicle. There isa notch in the frame near each of the wheels. The plastic fascia has the word JACK stamped nearwhere the jack should be positioned. Fit the top of the jack into the notch nearest the wheel with the flat tire. 5-21