buy a device called "WAIFUPRISON"

its a cute little music box that you hook up to your car and it plays really whatever sound you want when you start and stop the car

my cars usb ports mount it like a flash drive and doesn't play the audio when starting or stopping just trying to play the audio files

cigarette port in car turns on and the box plays no issue

the same port only turns off after 90 minutes of the engine stopping

the farewell sound doesn't play then and if you come back to the car within 90 minutes it doesn't play the greeting sound cause it still had power

attempt to change the device format so the car can't read the files and only provide power

little box shits itself if the partition is fucked with

buy USB-A adapters that modify cables to only output power have no data lanesI will try again tomorrow