He had a sudden thought and tried breathing on the rear-view mirror.

Nothing. Not a single droplet formed. That would satisfy a doctor, that’s what they always did on television – if no mist formed on the mirror, there was no breath. Perhaps, he thought anxiously to himself, perhaps it was something to do with having heated wing mirrors. Didn’t this car have heated wing mirrors? Hadn’t the salesman gone on and on about heated this, electric that, and servo-assisted the other? Maybe they were digital wing mirrors. That was it. Digital, heated, servo-assisted, computer controlled, breath-resistant wing mirrors…