The Android Open Accessory (AOA) function does not work when the car audio is connected to an Android smartphone.
IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
The Android Open Accessory (AOA) feature is not supported on smartphones with Android 8.0 or later.
NOTE: For details on how to check the Android OS version, contact the smartphone manufacturer.