2004 Buick Century Owner's Manual - Page 292

{CAUTION: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. {CAUTION: For jacking at the vehicle's rear location, put the jack lift head (B) about 5 inches (13 cm) from the front edge of the rear wheel opening (C) or just behind the off-set (A) as shown. 4. Put the compact spare tire near you. Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to fit the jack lift head into the proper location before raising the vehicle. 5-80