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.

Auto Door Locking/Unlocking
Your vehicle locks all doors and unlocks the driver’s door automatically when
a
certain condition is met.
You can turn off or change to another auto door
locking/unlocking setting using the mas ...
ATF Cooler Cleaning (A/T)
Special Tools Required
ATF Cooler Cleaner GHTTTCF6H
Magnetic Nonbypass Spin-On Filter GTHGNBP2
*: Available through the Honda Tool and Equipment Program 888-424-6857.
Before installing an ...
Installation
Hold the gearbox housing using a C-clamp (A) and wooden blocks (B) to a
workbench as shown. Do not clamp the cylinder part of the gearbox housing in
a vise.
...