So, here's why most people fail a DUI checkpoint in the first 10 seconds. What you want to do is roll through quickly. You don't want to give them any reasonable suspicion of a crime. Certainly not a DUI. Keep your hands where the police officer can see them, 10 and two on the steering wheel and have your documents ready for them when they ask for it. I would crack my window just far enough to hand the license through the window. What they look for is you fumbling with documents, fumbling with your wallet. If you do those things, they're going to ask you to pull over and step out of the