1993 Buick Roadmaster Owner's Manual - Page 237

Lower the vehicleby rotating the wheel wrench counterclockwise. Lowerthe jack completely. Tighten the wheel nuts firmly in a criss-cross sequence as shown. lncorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to become loose and even come off. This couldlead to an accident. Be sure to use the correctwheel nuts. If you have to replace them, be sure to get the right kind. Stop somewhere as soon as you can an have the nuts tightened with a to I00 ft. Ibs. (140 N.m) Don't try to put a wheel cover on your compact spare tire. It won't fit. Store the wheel cover until have you the flat tire repaired or replaced...i 1 ,?. C.". 235