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§393.79 Windshield defrosting and defogging systems.

RegSenseFleet SafetyFederal Motor Carrier Safety Administration (FMCSA), DOTVehicle maintenanceCFR RegulationsCMV Parts and MaintenanceParts and Accessories - Motor CarrierFocus AreaCFR SectionEnglishTransportationUSA

(a) Vehicles manufactured on or after December 25, 1968. Each bus, truck, and truck-tractor manufactured on or after December 25, 1968, must have a windshield defrosting and defogging system that meets the requirements of FMVSS No. 103 in effect on the date of manufacture.

(b) Vehicles manufactured before December 25, 1968. Each bus, truck, and truck-tractor shall be equipped with a means for preventing the accumulation of ice, snow, frost, or condensation that could obstruct the driver’s view through the windshield while the vehicle is being driven.

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['CMV Parts and Maintenance']
['Parts and Accessories - Motor Carrier', 'Vehicle maintenance']
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