Incorrect wheel nuts or improperly tightened; wheel nuts can cause the wheel to become loose; and even come off. This could lead to an accident.- Page 231

First Edition for Buick LeSabre Owner’s Manual – 1999

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C–45–4616–P

11. Lower the vehicle by turning the wheel wrench

counterclockwise on the jack. Lower the 
jack completely.

X–05–0601–S

12. Tighten the wheel 

nuts firmly in a
crisscross sequence.

CAUTION:

Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to become loose
and even come off. This could lead to an accident.
Be sure to use the correct wheel nuts. If you have
to replace them, be sure to get new GM original
equipment wheel nuts.

Stop somewhere as soon as you can and have 
the nuts tightened with a torque wrench to 
100 lb

-

ft (140 N·m).