hy,
to solve an issue i think you might still have in mind:
boot and shutdown of the pi happen due to the fact that there is a special battery cable beside the drivers back door which is called "16minutes"-cable. it cuts the power 16min after locking your car. some users wanted not to have such an hard kill, thats why there is the option to shutdown the pi in a range up to 15min. after shutdown.
with bt and wifi onboard, the Pi3 can switch both on and off inside the menu (main addon for osmc, standard installed)
maybe you have to sent some command lines using putty (client for ssh) or the terminal in linux activating onboard bluetooth. just google it, you'll find plenty of answers!
to solve an issue i think you might still have in mind:
boot and shutdown of the pi happen due to the fact that there is a special battery cable beside the drivers back door which is called "16minutes"-cable. it cuts the power 16min after locking your car. some users wanted not to have such an hard kill, thats why there is the option to shutdown the pi in a range up to 15min. after shutdown.
with bt and wifi onboard, the Pi3 can switch both on and off inside the menu (main addon for osmc, standard installed)
maybe you have to sent some command lines using putty (client for ssh) or the terminal in linux activating onboard bluetooth. just google it, you'll find plenty of answers!