This would be an excellent ad for turning your cell phone off when the situation calls for it. But the inside of the Toyota Corolla is so quiet, even cannons being fired don't wake up a ferocious, face-eating badger. But a cell phone that is inside the car will...

The good news is that the car is so good at insulating noise, that you won't be able to alert anyone if you need help while you are inside your car either. Wait...

Is a quiet interior really a dealbreaker for you? And if you can afford for that to be a dealbreaker, are you really going to buy a Corolla?