Thank you for sharing your experience with us. We apologize for any issues you've encountered with the sound and radio when stopping the vehicle.
Please don't worry, we will do our best to help you here.
Regarding this tech issue, may I ask have you contacted our after-sales tech support team yet?
If not, would you mind sending a new email and provides us more details about the issue you encountered? It would be better if you could take some pictures or a short video so that our tech support team can locate the issue better and find a good solution as soon as possible.
We really appreciate you giving us the chance to help you solve the issue.