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Apparently new cars sold since 2018 have to have a way to automatically contact emergency services after a crash, so they all probably come with a SIM card: htt

Apparently new cars sold since 2018 have to have a way to automatically contact emergency services after a crash, so they all probably come with a SIM card: https://en.wikipedia.org/wiki/ECall https://en.wikipedia.org/wiki/ECall My guess is the manufacturer wants to upload "diagnostic" data, they would just use that same SIM card. And you probably can't disable it because it's a legal requirement (or, maybe you can on your Volvo?). Maybe one could just put a prepaid SIM card with zero bandwidth quota/zero call credits, because those are still able to call the emergency number. Interestingly the automatic "call the cops" function means hit and runs would be a lot harder, since the cops would get a timestamp of an accident, and a phone number as a car identifier...

garaetjjte 6y ago
It seems there are eCall dedicated SIM cards, which cannot be used for other purposes. Though I'm confused why it is required at all, as you don't need any SIM card to call 112 emergency number. >The in-vehicle system has a valid SIM that enables the provision of the eCall service. It is to be configured only for making an eCall, or it could also be used, in addition and as optional, for commercial service provision. In the first case, the IVS will be in a dormant mode (not traceable and active only in case of eCall triggering) https://eena.org/wp-content/uploads/eCall-and-open-issues-2018-revision.pdf https://eena.org/wp-content/uploads/eCall-and-open-issues-20...