Why your car's interface is holding back
If you have ever felt that Android Auto's feature updates arrive at a snail's pace, you are not alone. While Google continuously develops new UI tweaks and functional upgrades, they are often locked behind server-side flags that users have no control over. For power users who want to be on the bleeding edge of automotive software, there is a way to skip the line: the open-source AA Experiments module.
Prerequisite: Root access is non-negotiable
This is not a standard settings toggle. Because these features are intended for internal Google testing, modifying them requires deep system-level access. You must have a rooted Android device to use the LSPosed framework, which allows AA Experiments to intercept and enable these flags. If your phone is not rooted, this tool will not function. Do not attempt this if you rely on your phone for mission-critical tasks like banking apps that detect root status.
How to enable the hidden menu
Once you have a rooted device and the LSPosed environment installed, the process is straightforward:
- Download the AA Experiments APK from its official open-source repository.
- Open the LSPosed manager and enable the AA Experiments module for the Android Auto package.
- Reboot your device to ensure the framework hooks properly.
- Launch the AA Experiments app from your app drawer. You will be presented with a list of over 100 internal flags.
- Toggle the switches for the features you wish to enable, then force-stop Android Auto and reconnect your phone to your car.
Note: Menu paths and specific flag names may vary significantly based on your version of Android Auto and your phone's specific software build.

Who benefits most?
This tool is exclusively for enthusiasts who understand the risks of modifying system files. It is perfect for those who want to test new interface layouts, experimental navigation features, or specialized developer settings before they reach the general public. If you prefer a "set it and forget it" experience, this is not for you.
Fixing broken features after an update
The Problem: Sometimes, after an official Android Auto update, the interface may crash, fail to launch, or display a blank screen. This often happens because the experimental flags you enabled have been deprecated or modified by Google in the new version of the APK.
Step 1: The standard reset
Before assuming the mod is broken, clear the cache and data for the Android Auto app in your phone’s system settings (Settings > Apps > Android Auto > Storage > Clear Data). This resets the connection without removing your root access.

Step 2: Disable conflicting flags
If the app continues to crash, reopen AA Experiments and toggle off all flags. If the interface stabilizes, re-enable them one by one to isolate the specific flag causing the instability.
Step 3: When to give up
If you encounter a boot loop or if Android Auto refuses to connect even after disabling all experimental flags and clearing app data, it is time to uninstall the AA Experiments module via LSPosed. If the issue persists, the conflict may be deeper in your system configuration; in this case, revert to your last stable root backup or seek assistance in dedicated enthusiast forums where these specific builds are discussed.
An honest look at the risks
Android Authority notes that tools like AA Experiments provide a level of control that Google intentionally hides from the average consumer to ensure stability. While the ability to test new features is exciting, it comes with the reality of potential software instability. Because you are essentially "forcing" features that may not be fully optimized for your specific head unit or screen resolution, expect occasional UI glitches. Furthermore, because these tweaks rely on a rooted environment, you risk triggering safety checks on certain apps. Always ensure you have a full system backup before modifying your Android Auto configuration.