Honda CLARITY Plug-In Hybrid 2020 Owner's Manual page 518

uuClimate Control System MaintenanceuDust and Pollen Filter
Dust and Pollen Filter
The climate control system is equipped with a dust and pollen filter that collects
pollen, dust, and other debris in the air. The Maintenance Minder
you know when to replace the filter.
We recommend that you replace the dust and pollen filter sooner when using your
vehicle in areas with high concentrations of dust.
516
1Dust and Pollen Filter
TM messages will let
If the airflow from the climate control system
deteriorates noticeably, and the windows fog up
easily, the filter may need to be replaced. Please
contact an authorized Honda Clarity Plug-In Hybrid
dealer for replacement.