Using Google Assistant With Legacy g-Suite email Account

Recently I bought a 2019 Nissan Sentra, it has Android Auto. I thought to myslef "Cool now I can plug in my cellphone and use the Google Assistant to talk to my can."
So I plug in my phone and start messing around with the settings on the app on my phone, the Android Auto app and the in dash display. 
BUT...
It does not appear to be working correctly. I know because I set up my friends 2020 Kia and her's worked perfect.
Well I messed around until I got frustrated and told my wife I need to have my friends help me set mine up. Something was most different an odd, it was not working.
So like all people today I Googled the issue.
Let's see..."Android Auto not working with my email"...legacy g-suite?
"Google Assistant not working with Legacy g-suite"

I started seeing some very sad returns. In my dismay I learned that Google/Gmail stopped support of the old FREE g-suite testers. If you were one you know what I mean.
Back in the day Google Rolled ut gmail, yep I was a Beta tester, then Google rolled out the FREE DOMAINE MAIL account. Yep i was a beta tester of that as well. Listen all that awesome freeness and I get to use gregory@tasana-studios.com of course I will test it. 
BUT...
Google went and saw how awesome it was and started charged a fee for NEW customers, at first us old testers were enjoying the same new candy, but then, no warning, no notice, some features were "paid account only, upgrade NOW!"

Google then stopped all support of the free now called Legacy G-Suite accounts. Yep we can enjoy our domain email accounts but that's about the limit of it, no Google Assist, no Android Auto, no Calender, no, no, no...

So I saw in some forums people resetting their cellphones and creating a free gmail account just to just Google Assist/Android Auto.

STOP!

DO NOT wipe you phone to do that. There is an easier way.
Leave your phone as it is, leave your old forgotten legacy G-Suite account on your phone as the main account. 

Did you know you can add as many email/gmail accounts to ONE phone as you want? I have 3 on mine.

Well I did have 2 now I have 3.
I created an all new email account, a gmail one, I added that account to my phone and then synced/mirrored my Lagacy G-Suite to it. 100% of everything on my Legacy account flows over to that gmail account and I still get all the perks of my Legacy G-Suite account. I turned off all notifications of the gmail account since it is just a mirror, but when I plug it into my car that gmail account takes over and Google Assistant/Android Auto work fine, so does my calender etc.

See since my Lagacy G-Suite account is synced/mirrored to my gmail account all my appointments, calender, everything flows into that gmail account. Now I never check that email, never use it, never access it, it is there to allow me to use Google Assist while enjoying all the benifits of my Legacy G-Suite account.

So in summary I only use the Lagacy G-Suite and use the gmail as a synced/mirror that allows me to use Google Assist and Android Auto with all the features of the calander, appointments, maps, and on and on. 

I will create another post as a step x step how to use both as one.