[Bommer]

Because he is in control of the vehicle. Even if it wasn't running and he only had the keys in his pocket but is still in the vehicle he is in control of it, according to the law.

So if I leave the car running a run into a store for some smokes, can I be accused of wreckless driving even though I'm not in the car or controlling the vehicle?

[Manic_Episode]

" So if I leave the car running a run into a store for some smokes, can I be accused of wreckless driving even though I'm not in the car or controlling the vehicle?"

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That's never happened as far as I know, but that does indeed seem to be about the same rationale, altho again where I live your scenario is technically illegal because of car theft and you could get a ticket for it.

Minnesota, Land Of 10,000 Laws