Where is the cabin air filter in a 2009 Chevy Cobalt?

In a 2009 Chevy Cobalt, the cabin air filter is located behind the glove compartment. To access it, you need to remove the glove compartment by unfastening the screws and releasing the stops. Once the glove compartment is out of the way, you can find the filter cover, which can be unclipped to replace the cabin air filter.