Nevada Revised Statutes 484D.445 – Windshield wipers
1. Every motor vehicle, except motorcycles or mopeds, equipped with a windshield shall be equipped with a self-operating windshield wiper system which shall be so constructed as to be controlled by the driver.
2. The windshield wiper system with which the vehicle is equipped shall be maintained in good operating condition and capable of effectively clearing the windshield so as to provide clear vision through the windshield for the driver under all ordinary conditions of rain, snow or other moisture.
3. The wiper system shall be operated while the vehicle is being driven during conditions of rain, snow or other moisture which obstruct or reduce the driver’s clear view through the windshield.
4. Subsection 1 does not apply to highway maintenance vehicles, special mobile equipment, implements of husbandry, or vehicles manufactured before July 1, 1935, with adequate manually operated windshield wipers.