1998 Buick Regal Owner's Manual - Page 256

Removing the FlatTire and Installing the Spare Tire Getting undera vehicle when it is jacked up is dangerous. If the vehicle slipsoff the jack,you could be badly injured or killed. Never getunder a vehicle when it is supported only by a jack. I A CAUTION: Raising yourvehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury andvehicle damage, be sure to the jack fit lift head into the proper location before raising the vehicle. 1. Using the wheel wrench, loosen all the wheel nuts. Don't remove them yet. 2. Turn the jack handle to the right to raise the jack lift head a few inches. 5-30