Power Acoustik PTID-8300NR Car Video Player "6250" Questions

My power acoustik ptid-6250 will not cut on anymore. I was listening to it and it started going in out. Then all of sudden it just went out and won't come back on. How do I fix it ? Going in and out ...

parking brake switch wire on a power acoustik double din by grounding it will the dvd player work this use to be simple for most units and yes it would work, however, manufactures became wise to this ...