Pontiac Montana SV6 2007 Owner's Manual page 212

The access panel for the passenger compartment
air filter is located in the back of the glove box.
To replace the filter, do the following:
1. Pull the tab located on the outer access panel
up and out.
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2. Then push the tab, located on the left of the
inner access panel, to the right.
3. The first air filter will pull straight out. To
remove the second, reach in and slide it
toward the opening. Pull the second filter out.
4. Replace the filters by reversing Step 3. Make
sure the filters are inserted so that the sealing
foam is angled in the same direction on both
filters. For the type of filter to use, see Normal
Maintenance Replacement Parts on page 532.