this post was submitted on 13 Jun 2025
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Privacy
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Android Auto is just a projection of the information on your phone so, as far as I know, it's as private as your phone is.
Of course there's always the possibility that the vehicle itself is doing a screen capture and processing the information on the display to send back to their servers but...seems unlikely on account of the processing power required for that.
I was recently very interested to learn that, if I run a VPN on my phone, Auto immediately calls out the VPN as a problem and refuses to connect to my car until it's disconnected.
Is that android auto or wireless android auto?
For me, wireless. Wired still worked through VPN.
Yeah same experience for me. I assumed it was an issue with the routing table, but manually updating it didn't seem to help. I assumed I was just not good enough at networking on android. I'd believe google would try to crap on that too though.
Wireless android auto hasn't worked with VPN's for years. It's because the service is now baked into the OS, preventing it from split tunneling.
Switch to wired and it'll work
I can get it to work if I whitelist the android auto app from my VPN.
Which means it isn't using the VPN.
I'm saying split tunnel is very similar to a whitelist and is available to some VPN's. A split tunnel would also bypass the VPN.
Also, while Android auto is a system app now, it is also identifiable by my VPN software and able to be whitelisted.