This worked for me. My symptoms were: bluetooth connected, but android auto would not start on truck. Phone seemed to think it was already connected. Sometimes it would work again if I didn't drive for a bit.
Rebooting by holding those buttons has resolved it for me and I have driven several...
Did you ever get this installed?
How did it end up fitting for you?
Do you like it?
It looks great from the pictures, and I would like something like this myself if it works on US spec rangers too.