Chrysler 2011 300 - Manual (Page 434)

2. Slide the lid on the filter adapter forward and down
and remove the used filter.
3. Install the new filter with arrows pointing in the
direction of airflow, which is toward the rear of the
vehicle (text and arrows on the filter will indicate this).
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
A/C Air Filter
432 MAINTAINING YOUR VEHICLE