1997 Chevrolet Blazer Owner's Manual - Page 246

I /d CAUTION: Getting under a vehicle when is jacked upis it dangerous. If the vehicle slips off the jack, you could be badly injured killed. Never get under or a vehicle when it is supported only by a jack. I NOTICE: Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle to fall. To help avoid personal injury and vehicle damage, be sure tofit the jack lift head into the proper location before raising the vehicle. a 4. Raise the vehicle by turning the jack handle clockwise. Raise the vehicle far enough off the ground so there is enough room for the spare tire to fit. 5. Remove all the wheel nuts and take off the flat tire.