The cabin air filter in a 2018 Honda Odyssey is located behind the glove box on the passenger side. Accessing it requires dropping the glove box and removing a small cover to reach the filter.
Location and access
The filter sits in a rectangular housing behind the glove box on the passenger side of the dash. To reach it, you’ll need to drop the glove box by releasing its side stops, then locate and remove the access panel that covers the cabin air filter. This design is common across Honda’s models from that generation.
What you’ll need
Before starting, gather a few items to make the replacement easier and safer. Having the right tools helps prevent damage to trim or the glove box.
- New cabin air filter compatible with the 2018 Odyssey
- Trim removal tool or a small flat-head screwdriver
- Gloves and a cloth for cleanup (optional)
With these supplies ready, you can proceed to replace the filter and restore proper airflow in the cabin.
Step-by-step replacement
Follow these steps to locate, remove, and replace the cabin filter.
- Open the passenger-side glove box and let it hang down by gently pressing in the side stoppers until it releases.
- Find the rectangular access panel near the back of the glove box and remove the cover by pulling the clips or removing screws.
- Take out the old filter, noting the correct orientation of the airflow arrows.
- Insert the new filter with the arrows pointing toward the HVAC blower, ensuring it sits evenly in the housing.
- Replace the access panel, close the glove box, and push it back until the stops click back into place.
- Start the vehicle and run the HVAC on high for a few minutes to confirm clean airflow and check for any odors.
If the glove box won’t drop easily, recheck the side stops and any screws securing the access panel to avoid damaging trim.
Summary
For a 2018 Honda Odyssey, the cabin air filter is located behind the glove box on the passenger side. Access involves dropping the glove box and removing a cover to reach the filter, followed by replacing the filter and reassembling. Regular replacement helps maintain interior air quality and HVAC efficiency.


