On occasion I have seen people passing so wildly on the right, then left, and so on, I half expect to see them become a hovercraft and fly away in their apparent frenzy. (To be honest, when drivers seem THAT frantic I wish they would fly away--because they can pose a serious threat to public safety.)
In addition, Section 544.011 of the code states that a driver shall comply with any lawful order or direction given by a police officer. The officer has the legal authority to require a motor vehicle driver to roll down their window as part of a lawful order or direction during a traffic stop.