\"Fallen Ghosts\" and a radio in the game. (Tom Clancy's Ghost Recon: Wildlands)

Was the Supplement but the whole blueprint is not collected (parts, coin...), Some were found but not all and no tips are present. To run all by himself to look for what? And if anyone knows the thread, can I do so that the car radio was playing one (in coop with friends) or is this not possible? And then everyone - not cool and weird)