Follow these instructions to keep the ATF cooler cleaner working properly:
Replace the two magnetic nonbypass spin-on filters after every 20 hours of use, based on the hour meter, or when you notice a restriction in the ATF flow.
Check the level and condition of the fluid in the tank before each use.
Replace the ATF in the tank when it looks dark or dirty.

Recirculation Control Cable Adjustment
Open the glove box. Release the glove box stop on each side, then
let the glove box hang down.
Set the recirculation control lever to FRESH ().
Detach the recirculation ...
Headliner Removal/Installation (General information)
Special Tools Required
KTC Trim Tool Set SOJATP2014
*Available through the Honda Tool and Equipment Program; call 888-424-6857
SRS components are located in this area. Review the SRS ...