alright i installed my in dash tv in my celica and im having no problems with anything acept getting the video to play. i want to get it so it will play videos without my parking brake on, i talked to the guys at a local audio shop and they can put a switch in there for me but i figured i might could save a couple of bucks if any of yall know how to do this. i figured ive gotten this far without help theres no reason to take it to professonals anyway if any1 knows anything about this mod please help