Buick 2009 Lucerne Owner's Manual page 369

12. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
CAUTION:
{
Wheel nuts that are improperly or incorrectly
tightened can cause the wheels to become loose or
come off. The wheel nuts should be tightened with
a torque wrench to the proper torque specification
CAUTION: (Continued)
CAUTION: (Continued)
after replacing. Follow the torque specification
supplied by the aftermarket manufacturer
when using accessory locking wheel nuts. See
Capacities and Specifications on page 5-106 for
original equipment wheel nut torque specifications.
Notice: Improperly tightened wheel nuts can
lead to brake pulsation and rotor damage. To avoid
expensive brake repairs, evenly tighten the wheel
nuts in the proper sequence and to the proper torque
specification. See Capacities and Specifications on
page 5-106 for the wheel nut torque specification.
13. Tighten the wheel nuts
firmly in a crisscross
sequence as shown.
5-85