I want the car to be able to contact emergency services, but not to otherwise be able to use the cellular network. Is there a good way to sabotage the eSIM, without otherwise breaking the modem? (This would still allow the car to be tracked via IMEI, but I'm not too worried about that: anyone capable of that is also capable of tracking my actual phone, and anyone buying that data will already know what car I own.)
They often have eSIMs I think, but (depending probably on the car) pulling the modem's fuse can be safe. That's the case for the VW ID.4 at least.
If the modem has no fuse, physically damaging the NIC chip in the module will also work.
I want the car to be able to contact emergency services, but not to otherwise be able to use the cellular network. Is there a good way to sabotage the eSIM, without otherwise breaking the modem? (This would still allow the car to be tracked via IMEI, but I'm not too worried about that: anyone capable of that is also capable of tracking my actual phone, and anyone buying that data will already know what car I own.)
why do you want your car to contact emergency services? the people around you can do that just fine and very reliably.
How on earth did we survive as a species before our cars could make automated phone calls?
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