Chevrolet 2009 Cobalt Owner's Manual page 359

12. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
CAUTION:
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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 5-124 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 5-124 for the wheel nut
torque specification.
5-Wheel Nuts
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.
13. Tighten the wheel nuts
firmly in a crisscross
sequence, as shown.
5-101