Generally, no.  However, the police are allowed to search your car without a search warrant if there is probable cause to believe that there is evidence of a crime or contraband located in your car. The scope of a warrantless search of an automobile is defined by the object of the search and the places in which there is probable cause to believe that it may be found. For example: An officer pulls you over for speeding. You roll down your window and the odor or marijuana is apparent to the officer. The officer may now search your vehicle without a warrant. The officer may search any place where the marijuana may be found which includes the center console, glove box, and even the trunk of the vehicle.