- (a) Defrosting and defogging equipment shall direct a sufficient flow of heated air onto the windshield, the window to the left of the driver and the glass in the viewing area directly to the right of the driver to eliminate frost, fog and snow.
- (b) The defrosting system shall conform to SAE J381 and SAE J382.
- (c) The defroster and defogging system shall be capable of furnishing heated, outside ambient air, except that the part of the system furnishing additional air to the windshield, entrance door and step well may be of the re-circulating air type.
- (d) Auxiliary fans are not considered defrosting or defogging systems.
- (e) Portable heaters shall not be used.
(Adopted effective May 2, 2007)