hey bro, the dash panel itself is part of the car so add that in, the wires can fry things add that in, also the window w/glass breakage coverage or not add that.
Total it up and then add the cd player face value, remember its worth 40% on the street. then you have thye money for a new one.
renters insurance or homeowners insurance will raise w/small claims like that.
auto if they do not cover it, discontinue your coverage with them and find someone who will cover your posessions that are PART of the vehicle, if you sell it with no radio it goes down in value so its part of the vehicle.
I went through this when my Truck was parked outside in broad daylight to get an alarm installed they broke the window and took my shit.
I scoured the pawn shops too w/my receipt and searched for it, 2 months later i found it at a pawn shop, they went and arrested the guy, he paid for all my shit, but the insurance company had to pay since its part of the car, tell them you bought it with it!
Yeah bro dont stress what goes around comes around.