GroundRules
49 CFR 393.79: Windshield defrosting and defogging systems.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS
- PART 393—PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION
- Subpart G—Miscellaneous Parts and Accessories
(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.
Collected 2026-08-27T02:26:34Z. Source file · JSON