I'm holding out hope for https://www.slate.auto/en I know it's somehow associated with Amazon, is it going to be a cloud-connected privacy nightmare. I haven't heard anything about it, but I also wouldn't be surprised.
I haven't heard specifically about connectedness otherwise, but I highly doubt there is a hidden SIM card in there somewhere.
It can lead to conflicts of interest (see also: https://www.law.com/delbizcourt/2025/10/29/attorney-for-amaz...) but that's a far cry from significant data sharing.