Do you have the right on a traffic stop to tell a cop I'm not opening my trunk? We're talking about your rights under the Constitution against unreasonable search and seizures and the cops rights under the Constitution or under case law to search your car if they have probable cause. On a lawful traffic stop, a cop doesn't have the right to search your trunk without your permission which you would never give because you're a Dr. Judge follower and you know better than that.