this post was submitted on 12 Feb 2024
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Android Auto/Car Play don't require giving the car access to anything. It should just be a simple video signal output, touch screen coordinates, and audio output/input line.
And I'm pretty sure that is how it works, unless cars are applying screen reader/etc technology (TVs do that, so I wouldn't put it past car manufacturers...).
I'm pretty sure this article is talking about bluetooth, not Android Auto / Car Play. The bluetooth car protocol sends a copy of your full address database to the car because it's a low bandwidth protocol that minimises sending data back and forth while the user is interacting with the hardware. I would never pair my phone to a modern car with bluetooth.
It's a bit more.
The car can communicate to the infotainment whether headlights are on, so AA can set dark/light mode.
The car also communicates whether it's LHD or RHD, so that it can switch button placement on the screen.
Idk what other data, if any, Apple/Google insist on having