Construction of talking computer

Speaking of new generation vehicles, the road computer feature is available.
How are you supposed to make a circuit so that when the gas light is on, when the doors are opened, when the handbrake is left, it is necessary to speak and talk? monalos 2016-09-26 09:25:22

I think that work can be expensive because of a very detailed liner. or who can deal with the software that can be taken from the obd kits and made with a tablet.