Pontiac 2008 G5 Owner's Manual page 313

3. Using the flat end of the wheel wrench, pry along
the edge of the wheel cover until it comes off.
Store the wheel cover in the trunk until you have
the flat tire repaired or replaced.
4. Use the wheel wrench to loosen all the wheel nuts.
Do not remove them yet.
5. It is recommended that you do a safety check
before preceding. See Changing a Flat Tire on
page 5-72 for more information.
Notice: Make sure that the jack lift head is in the
correct position or you may damage your vehicle.
The repairs would not be covered by your warranty.
6. Position the jack lift head at the jack location
nearest the flat tire. The front location is about
8 inches (20 cm) behind the front wheel opening.
The rear location is about 4 inches (10 cm) in front
of the rear wheel opening.
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