But most people don't know its a simple: Remove drain plug, reinstall drain plug and add 3 quarts of Z-1 ATF.
The service writer will up-sell it to customers as a 'transmission service' done by our
ASE Certified Acura © Master Technician,
using Acura © certified tools,
your car will be placed on an Acura © certified lift,
in our Acura © certified service bay,
using an Acura © certified funnel and Acura © certified rag to clean the drain plug and dip stick.

and the customer will say.... WOW, thats a great deal for $90.99

BTW, I bought 2 cases of Z-1 for $3.48 per quart (plus free shipping) for my parents Hondas.