Pontiac 2004 Montana Owner's Manual page 435

To put the cover back on, line up the tabs on the right
of the cover with the slots in the cover opening. Push the
cover in place and push down the tab so that it rests
in the groove. This secures the cover in place.
A. Strap
B. Bag and Tools
C. Jack
Store the center cap or the plastic bolt-on wheel covers
until a full size tire is put back on the vehicle. When
you replace the compact spare with a full-size tire,
reinstall the bolt-on wheel covers or the center cap.
Hand-tighten them over the wheel nuts, using the folding
wrench.
Storing the Flat Tire on a Front-Wheel
Drive Vehicle
Follow the previously listed procedure for storing a
spare tire.
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