1998 Oldsmobile 88 Owner's Manual - Page 220

I Getting under a vehicle whenit is jacked up is dangerous. If the vehicle slips off jack, you the could be badly injured or killed. Never get under a vehicle whenit is supported only bya jack. Y - A I Raising your vehicle with the improperly jack positioned can damage the vehicle even and make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to fit thejack lift head into the proper location before raising the vehicle. 5. Raise the vehicleby rotating the wheel wrench to the right (clockwise)in the jack. Raise the vehicle far enough off the ground so there is enough roomfor the spare tire to fit. 6. Remove allthe wheel nuts and takeoff the flat tire. 5-27