LOL, you're doing it all wrong...
The problem you're having is...
No wait, yeah its like that for me too

Does my actual nut in, and because I'm from Scotland, and everyone knows voice activated things dont understand Scottish, even considering an attempt at the shouting would be a truely insane idea, no matter how slow or clear I speak it rarely understands me, so I just swear at it, tell it to shut up, etc etc, it probably makes me turn into an aggressive driver, arguing with my car.