Honda ACCORD 2020 Owner's Manual page 634

uuMaintenance Under the HooduTransmission Fluid
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Automatic Transmission Fluid
Specified fluid: Honda Automatic Transmission Fluid ATF-Type 2.0
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change the automatic transmission fluid yourself.
* Not available on all models
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1Automatic Transmission Fluid *
NOTICE
Do not mix Honda ATF-Type 2.0 with other
transmission fluids.
Using a transmission fluid other than Honda
ATF-Type 2.0 may adversely affect the operation and
durability of your vehicle's transmission, and damage
the transmission.
Any damage caused by using a transmission fluid that
is not equivalent to Honda ATF-Type 2.0 is not
covered by Honda's new vehicle limited warranty.