Cadillac 2009 STS-V - Manual (Page 438)

{ CAUTION:
Incorrect or improperly tightened wheel nuts can
cause the wheel to come loose and even come off.
This could lead to a crash. If you have to replace
them, be sure to get new original equipment wheel
nuts. Stop somewhere as soon as you can and
have the nuts tightened with a torque wrench to the
proper torque specification. See Capacities and
Specifications on page 5-134 for wheel nut torque
specification.
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 5-134 for the wheel nut torque specification.
15. Tighten the wheel nuts
firmly in a crisscross
sequence as shown.
Storing a Flat or Spare Tire and
Tools
{ CAUTION:
Storing a jack, a tire, or other equipment in the
passenger compartment of the vehicle could
cause injury. In a sudden stop or collision, loose
equipment could strike someone. Store all these
in the proper place.
5-112