This article has some possible solutions that are required by a specific version of the head unit in different car models. If the Carsifi adapter not works...

If the adapter does not work with your car, please try to disable the Intercept AA protocol option. Know cars: Range Rover, Genesis(GV70), other How...

Some cars do not work with the "Default" USB connection mode. How to fix:  1. Install the companion app (https://play.google.com/store/apps/d...

We've released in v1.9.0 a new Start/Stop feature. You can set up a Carsifi adapter to work only if your car head unit or another Bluetooth device is c...