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Porsche Cars in Russia Shut Down After Satellite System Failure
(headlinesmonitor.com)
This is a most excellent place for technology news and articles.
I assumed it's not a option, so I took the suggestion to mean "physically disable" the device. Modern cars have a number of integrated computers and they rarely serve individual purposes, but there's a good chance there's an external antenna near/in a window. Granted, I don't have any vehicles with cell service, so I could be wrong. I do own a drill though