Pontiac G6 2010 Owner's Manual page 366

WARNING:
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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 6-125 for original
equipment wheel nut torque specifications.
6-98
14. Tighten the wheel nuts
firmly in a crisscross
sequence, as shown,
with the wheel wrench.
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 6-125 for the wheel nut torque specification.
Do not try to put a wheel cover on your compact spare
tire. It will not fit.
Notice: Wheel covers will not fit on your vehicle's
compact spare. If you try to put a wheel cover on the
compact spare, the cover or the spare could be
damaged.