1. Check the Audio output cable connected?
2. Follow this video to enter the original car CD player interface
3. Adjust the original car volume button in this CD player interface
4. If noise occurs, please adjust the original car volume button to a moderate level.
(Reduce the original car volume and increase the Android part volume)
Share:
HOW TO USE AHD 1080P Reverse Camera
How to add 360 Degree Panoramic Car Camera