OK, so the article does say about his fear of disabling the Power steering. However, if you were heading for a roundabout in an accelerating car, surely you would turn the key off? At least it might stand a chance of scrubbing some of the speed off.
I would have thought that in the length of time that he claims it was uncontrollable, he would have had an opportunity to do something. Especially with the Police on the line to help him!!