[Above My Pay Grade]

I am not sure that he did not have the authority to order her to put out the cigarette.

Cigarette or no cigarette he absolutely, positively had the authority to order her to step out of the vehicle.

[Anitius Severinus Boethius]

No, he didn’t. A police officer cannot simply order you out of your vehicle. They must have a reason to do so. And when you ask for the reason, they must tell you.