Mostly by driving when/where there aren't any other cars on the road, I'd imagine.
You ever see Smoke Signals? There's a minor character in that who drives in reverse all the time, because it's the only gear that still works on her old junker of a car.
You are the end result of a “would you push the button” prompt where the prompt was “you have unlimited godlike powers but you appear to all and sundry to be an impetuous child” – Zero, 2022
But it's in reverse, so you're actually behind him.
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also, if it's a reverse vampire, surely having no reflection should be reversed into... uh.... having two reflections?