Multiple independent sources confirm this technical limitation:
How to Customize Android Auto Without Root (Safe Alternatives)
The free version limits you to one app download per month. 2. KingInstaller aa aio tweaker no root
By mimicking official system installers or utilizing Android’s wireless debugging features, this tweaker lets you sideload unsupported applications and tweak the layout of your car's screen directly from your phone. Key Features of AA AIO Tweaker No Root
If using Shizuku, open the app and follow the on-screen prompts to pair it with your device using the code found in your phone's Developer Options. Step 4: Run AA AIO Tweaker and Apply Patches Key Features of AA AIO Tweaker No Root
Download the latest APK file for your chosen installer from a trusted GitHub repository.
For users who want system-level tweaks without full root, offers a hybrid solution. It uses ADB (Android Debug Bridge) over Wi-Fi to grant high-level permissions to apps. While AA AIO Tweaker does not natively support Shizuku, it is used by other system UI modifiers to change settings on non-rooted devices by leveraging "wireless debugging". It uses ADB (Android Debug Bridge) over Wi-Fi
Even though you can't run the official AA AIO Tweaker without root, you have a few paths to explore if you're determined to use it. However, be prepared for them to be complex and not guaranteed to work:
Forcing widescreen or portrait modes on screens that don't display properly by default.