Plain-English Explanation
During a traffic stop, drivers must generally provide license, registration, and proof of insurance. You may refuse consent to a search of your vehicle, but police may search based on probable cause or other recognized exceptions. Passengers may generally ask if they are free to leave.
Relevant Provision
U.S. Const. amend. IV.
Relevant Decisions
Pennsylvania v. Mimms
434 U.S. 106 (1977)
Held that police may order a driver out of a lawfully stopped vehicle as a safety measure.