1995 Buick Riviera Owner's Manual - Page 203

NOTICE: Raising your vehicle with the jack improperly positioned will damage the vehicle or may allow the vehicle to fall off the Be sure to fit the jack. jack lift head into the proper location before raising your vehicle. Raise the vehicle by rotating the wheel wrench clockwise. Raise the vehiclefar enough off the ground so there is enough room for the spare tire to fit. Remove all the wheel nuts and take off the flat tire. 5-22