When Android Auto randomly cuts out during your commute or a road trip, it can feel like a glitch in your phone or car. But this issue is more common than you might think and can often be traced back to a phone setting that most users overlook. A tech user recently discovered the source of the problem—power-saving features that shut apps down in the background to extend battery life.
This user went through the usual troubleshooting steps, swapping out USB cables and restarting the phone, but the issue persisted. After some testing, they found that the solution was much simpler: changing the battery optimization setting for Android Auto. By switching it to unrestricted, the app can run smoothly without being interrupted by the phone's power-saving mechanisms.
The reason behind Android Auto disconnections
Android is engineered to maximize battery life. One way it does this is by limiting background activity in apps. For most apps like social media or games, this is a smart move. However, Android Auto is different. It needs to remain active and connected while you're driving, whether you're getting directions, receiving messages, or playing music.
The app runs on your phone, and your phone maintains a constant connection with your car's infotainment system. It sends map updates, processes voice commands, and handles notifications in real time. When the phone's power-saving feature kicks in, it stops the app from running, leading to disconnections. This can cause the app to drop out at any time—sometimes for hours, other times just fifteen minutes into a drive. There's no predictability, and it all depends on how the OS decides to manage power.
How to adjust the setting and what to expect
Fixing this issue takes just a few seconds. Open the Settings app, tap Apps, select Android Auto, and then choose App battery usage. From there, change the battery optimization setting to 'Unrestricted.' Nearly all Android devices have this option, even if the labels vary slightly depending on your brand or model.
The user was concerned at first, wondering if allowing unrestricted battery use would drain their phone's power quickly. However, they found this was not a big issue. During a drive, the phone is either connected to a wired or wireless charger, or at least close to one. So the extra battery use is negligible. The benefits, though, were significant. A more stable Android Auto experience made the trade-off well worth it.
After making the change, the user noticed smoother performance. Google Maps stayed active and properly focused on the display, with no lag or interruptions. Music and podcasts played without hiccups, making the entire experience feel more consistent. While the improvement wasn't dramatic, it was enough to make a real difference in the reliability of the app during long trips.
Why wireless Android Auto users might see even better results
If you're using wireless Android Auto, the benefits of unrestricted battery optimization could be even more noticeable. Wireless connections rely on Wi-Fi Direct and Bluetooth, both of which are sensitive to disruptions. When the phone powers down the app to save energy, the wireless link can drop suddenly, and it's hard to reconnect without interruption. This can be especially frustrating when you're on the road and need a stable connection.
With the app set to unrestricted, the OS keeps it running, preventing sudden drops over wireless connections. This is particularly helpful during long drives where losing your route or music can be more than just a hassle—it can be a safety issue.
The user also noted that this fix is not a one-size-fits-all solution. Other causes like a faulty cable or software bugs in the car's system can still lead to problems with Android Auto. However, if you've already ruled out the obvious and are still experiencing disconnections, this setting is a good next step to try.

