Originally Posted by IronRobi

I look at the ASV as a safety feature. In the slim chance of a runnaway, turning the engine off should close the plate on the ASV and help cutoff the engine before any serious damage is done. I think if this were to happen I would have the sense of mind to put it in neutral so it stops acceleration, but I can't say I have the same confidence in my wife's mindset where she might just hit the brake and hold on tight.