(A) Drivers. A driver of a motor vehicle upon a public street or highway shall not possess in the passenger area of the motor vehicle an open or unsealed bottle, can, jar or other receptacle containing an alcoholic beverage.
(Iowa Code § 321.284)
(B) Passengers. A passenger in a motor vehicle upon a public street or highway shall not possess in the passenger area of the motor vehicle an open or unsealed bottle, can, jar or other receptacle containing an alcoholic beverage.
(Iowa Code § 321.284A)
(C) Generally. As used in this section PASSENGER AREA means the area of a motor vehicle designed to seat the driver and passengers while the motor vehicle is in operation and any area that is readily accessible to the driver or a passenger while in their seating positions, including the glove compartment. An open or unsealed receptacle containing an alcoholic beverage may be transported in the trunk of the motor vehicle. An unsealed receptacle containing an alcoholic beverage may be transported behind the last upright seat of the motor vehicle if the motor vehicle does not have a trunk.
(1999 Code, § 62.08) Penalty, see § 10.99