321.439  Windshield wipers.
  The windshield on every motor vehicle shall be equipped with a device for cleaning rain, snow, or other moisture from the windshield, which device shall be so constructed as to be controlled or operated by the driver of the vehicle.
[C39, §5034.48; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.439]
For applicable scheduled fine, see §805.8A, subsection 3