Can a police officer search your car without a warrant?

Whether can a cop search your car, can police search my car, can a cop search your car without consent, do the police have the right to search your car, or can a cop search your car without a warrant—the Fourth Amendment generally requires a warrant supported by probable cause, but vehicles have long received different treatment. ^[1][2][3] Automobile exception With probable cause to believe evidence or contraband is in a vehicle, officers may search it without a warrant under the automobile exception recognized in *Carroll* and refined in later cases such as *Arizona v. Gant*. ^[2][3] Consent If you voluntarily consent to a search, no warrant is needed; you may decline consent where law allows (though officers may still search if another exception applies). Inventory and impound Lawful impoundment may allow an inventory search under standardized procedures. Plain view Evidence in plain view may be seized if the officer is lawfully present. What to know You have rights, but roadside encounters are high-risk legally and physically. Laws vary by state; this is general federal constitutional background only. ^[1][2][3]