Correct. If you're drunk in the driver's seat on a public roadway (say, street parking in front of a bar), you're breaking the law. Doesn't matter if the car

Correct. If you're drunk in the driver's seat on a public roadway (say, street parking in front of a bar), you're breaking the law. Doesn't matter if the car is parked, or if the engine is even on. If you want to sleep it off, make sure you're in the passenger seat.