How far back does one have to go to find a vehicle that isn’t connected in some way?
Apparently for most GMs, to the rear wheels. Unplug and enjoy.
https://www.wikihow.com/Deactivate-OnStar
I don’t think my 2005 Mazda Tribute is connected.
I would think any vehicle that you did not have you pay for monthly interwebs service would not be connected to the interwebs.