Pontiac G5 Owner's Manual page 158

3. Open the passenger compartment air filter
door by reaching through the opening in the
back of the glove box and raising the tab until
the door can be opened downward.
158
4. Remove the filter by sliding it out of the
housing.
When installing a new air filter make sure the AIR
FLOW arrow is pointing downward. Reverse
Steps 1 through 5 making sure the glove box door
snaps back into place.