Look at what these vehicle manufacturers are doing to keep you from cutting the power to these tracking modules. And the latest gotcha is they’re moving to revoke your warranty if you don’t keep your vehicle online for firmware updates, so wiring in a toggle so you can periodically enable it for a short period looks like the way to get around it. Anyway, something to be aware of if you buy one of these used vehicles, and you definitely don’t want the new ones coming that are watching you and evaluating your driving, possibly refusing to let you drive it after an incident that has nothing to do with mind altering substances…