Fortunately, the Android Auto user base has discovered that it is sometimes more effective to independently troubleshoot issues. As a result, they have taken it upon themselves to search for and ultimately find a solution to restore normal functionality.
To begin with, let’s outline the problem at hand. Just before New Year’s Eve, an individual turned to Google’s forums to report a frustrating bug that causes audio to break down when answering calls through Android Auto. The owner of a Google Pixel device explained that while making outgoing calls works fine, when attempting to answer an incoming call, the person on the other end cannot hear anything.
When a call comes in, users are able to tap the Answer button on the Android Auto screen, and the call connects properly. The user can hear the caller’s voice through the car speakers, but the person on the other end cannot hear anything from the vehicle. If the call is ended and Android Auto initiates a call back, everything functions correctly.
Numerous other users have confirmed experiencing the same issue in their vehicles, indicating that the most recent updates to Android Auto do not include a fix. One user recently informed me that they attempted various general workarounds, but ultimately resolved the problem by completely resetting their mobile phone and the infotainment system.
Based on my analysis, it appears that the problem stems from the Google app, which powers the Google Assistant experience on Android Auto. By resetting the phone, the Google Assistant is also reset, allowing Android Auto to start fresh and function properly.
On Google’s forums, someone discovered a simpler yet somewhat frustrating workaround. They suggest that the easiest way to ensure the person calling you can hear your voice is to rapidly switch between the car speaker and the phone speaker when receiving a call. Answer the call, tap the option to switch from Bluetooth to the phone speaker, and then tap the same option again to return to Bluetooth. The user acknowledges that this process may take a few seconds and the caller may repeatedly ask if you can hear them, but using this quick toggle is more convenient than a complete reset.
Google has already requested more information to investigate the bug, but a fix is not currently in sight. The good news is that not every Android Auto user encounters this bug, although it remains unclear who and why some individuals experience the problem. From what I can gather, Google Pixel owners with Ford cars seem to be more frequently affected by the call glitch, but one user on Google’s forums claims to have encountered the same strange behavior in a Kia model.
According to the Source autoevolution.com