Cadillac STS 2011 Owner's Manual page 453

14. Lower the vehicle by turning the wheel wrench
counterclockwise. Lower the jack completely.
6-102
WARNING:
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 after replacing. Follow the torque
specification supplied by the aftermarket
manufacturer when using accessory locking wheel
nuts. See Capacities and Specifications on
page 6 128 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 6 128 for the wheel nut
torque specification.