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.

Brake and Clutch Fluid
Check the brake fluid level in the reservoirs monthly.
Replace the brake fluid according to the time recommendation in the maintenance
minder schedule.
Always use Honda Heavy Duty Brake Fluid DOT ...
Models with 5 positions AT Shifting
Change the shift position in accordance with your driving needs
■ Shift lever positions
You cannot turn the ignition switch to LOCK
and
remove the key unless the shift lever is in
.
T ...
Side Vent
Click here for an interactive version of this procedure (driver's,
passenger's).
NOTE: Take care not to scratch the dashboard or its related parts.
Pull the upper portion (A) of the s ...