Quote Originally Posted by Big Rob View Post

I am also wondering what to do now, as I don't think you can leave these modern cars disconnected for long periods of time due to the computer shutting down and not working when reconnected.

Just another reason why I'm comfortable with old cars and not new stuff.....

Any advise from those in the electrical field?
Pretty sure that's a Myth. I've never had any trouble with computer controlled vehicles being left without power for long periods of time. I always disconnect the batteries on my farm cars and they fire straight up after reconnection.