Hi been researching theses forums for 2 days now stumbled in here cause i was looking for a HU i could stick a external hard drive 2 now it looks like im getting a car pc : ). i have read so much but still have so many questions but my first is exactly how do i set up the system touch screen, amps, pc to come on when i press unlock on my key chain have the key override if it dont turn on and turn off with the unlock on the keychain . also if i instill a remote start will this mess up the system i am planing on using a dell optic 270. thanks so much