alt Hacker NewsAlso thought about it. It’s possible, but requires enabling hotspot on the phone. Without it, it will not share internet via BT.
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fragmede • yesterday at 5:56 PM
It would also require that my phone not show my car using the hotspot, when it does show my laptop, and also for my cellphone plan to not show that usage (I have limited hotspot data), which is theoretically possible, but now we're talking three companies having to collude in a totally undetectable fashion, which seems a little far fetched.
The author probably means CarPlay and Android Auto. In wireless mode they share the phone's internet connection. The adapter linked in the article is a CarPlay adapter, not plain BT.