Since all our screens use AUX to transmit sound, you must check if you have the AUX menu in your OEM system.
Otherwise you will have problems with no sound on the screen after installation.
Situation 1: OEM system with AUX
If your OEM system has an AUX menu, then you can purchase our screen and install it directly.
After installation you just need to enter your OEM system and switch the multimedia mode to AUX to get normal sound.
Situation 2: OEM system without AUX menu
If your OEM system does not have an AUX option, then you will need to purchase one of our CDC fiber optic boxes to get sound.
After the screen and fiber optic box are installed, all you need to do is enter the OEM system, switch the multimedia mode to CDC and press the OK button to confirm that the sound will come out normally.（NOTE: After using it, the original car's CD changer channel is occupied, so the original car's CDC function cannot be used;）
