A:AnswerFollow the instructions for a hard reset of the device to clear the previous phone and then follow the new setup and that should resolve the issue.
A:AnswerCorrect, you can use both or either. But you have to have android auto or Apple carplay to use map functionality. You have to use Bluetooth for music unless you have the option to select WiFi. I only have Bluetooth option.
A:AnswerDon't know about the Kenwood stereo, but it should work if it supports wired Android Auto. I have an S24 Ultra and it works with my car's native infotainment system.
A:AnswerThis device is only compatible with radios that already have android auto. If connecting your android phone via usb launches android auto in your vehicle you should be able to use this device.
A:AnswerIf your head unit/stereo already supports android auto, then yes. My 2016 Nissan Rogue did not have a stock android auto car deck. I purchased an aftermarket Sony one and bought this adapter so i can use Android Auto Wirelessly.