README warns that Gearslip is alpha, and about GrapheneOS's charging-only USB setting (#71)

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Seb3thehacker committed 2026-11-03 11:00:04 -08:00
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@@ -19,6 +19,16 @@ started as machine translations, so some read awkwardly.
Questions, ideas? Questions, ideas?
[Join the discussion on Matrix](https://matrix.to/#/!mf0_mgBd5KqKpc9FfX_wHp1jFCcwAtPrndIn_oGIyMk?via=matrix.org). [Join the discussion on Matrix](https://matrix.to/#/!mf0_mgBd5KqKpc9FfX_wHp1jFCcwAtPrndIn_oGIyMk?via=matrix.org).
> [!WARNING]
> Gearslip is **alpha software**. It can drop the connection, freeze the car screen, or fail
> to start, and a new release can break a car that worked before. Set it up while parked, and
> keep another way to navigate.
> [!WARNING]
> On GrapheneOS, make sure **USB-C port control** isn't set to **Charging-only**. That setting
> blocks USB data, so the car never sees the phone, even with a data cable. Set it to allow
> data transfer.
## Which cars work ## Which cars work
Most cars work. Starting around 2020, some cars added newer security checks that reject Most cars work. Starting around 2020, some cars added newer security checks that reject