Google added dual-SIM support on its [Pixel phones way back in 2019](https://www.androidpolice.com/2019/09/04/pixel-3a-dual-sim/) with the release of Android 10. However, it took the company two years to get around to [announcing multiple SIM card support in Android Auto](https://www.androidpolice.com/2021/09/23/hey-google-pay-for-gas-android-auto-is-getting-a-whole-new-bag-of-tricks/). A couple of months later, the feature finally seems to be rolling out to Android Auto users.