Chevrolet 2010 HHR Owner's Manual page 404

To change the front flat tire:
Front Tire Changing Procedure
1. Perform a rear tire change by removing the rear
tire and installing the compact spare tire in the rear
wheel location. The rear road tire will be used to
replace the front flat tire. See Rear Tire Changing
Procedure in this section.
11. Tighten the wheel nuts
firmly in a crisscross
sequence as shown.
2. Using the wheel wrench, loosen all the wheel nuts
on the front flat tire. Do not remove them yet.
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