this statute establishes exemptions from 811.515 (when lights must be displayed) & 811.520 (unlawful use or failure to use lights). These are in addition to exemptions in 801.026 (General exemptions) as follows:

(1) 811.515 (when lights must be displayed) & 811.520 (unlawful use or failure to use lights) don't prohibit the use of additional parts & accessories on any vehicle not inconsistent with the provisions of those statutes.

(2) except for the provisions relating to exempt-vehicle safety lighting equipment, 811.515 (when lights must be displayed) & 811.520 (unlawful use or failure to use lights) don't apply to:

(a) road machinery

(b) road rollers

(c) farm tractors

(d) antique vehicles maintained as collector items & used for exhibitions, parades, club activities & similar uses, but not used to primarily transport persons or property.

(3) whenever motor vehicles & other vehicles are operated in combination when lights are required, any lighting equipment, except the taillight - which due to its location on a vehicle would be obscured by another vehicle in the combination - need not be lighted. It's still required that clearance lights be lit on the front of the foremost vehicle required to have clearance lights and all lights be lit on the rear of the rearmost vehicle in the combination.

(4) lighting equipment on bicycles must be lit as per 815.280 (violation of bicycle equipment requirements)

(5) parked or stopped vehicles are not required to display parking lights if the highway's road authority provides by ordinance or resolution that states no lights need to be displayed on a vehicle parked on the highway in accordance with legal parking regulations where there's sufficient light for any person or object to be clearly discernible within 500ft from the highway

(6) nothing under811.515 (when lights must be displayed) & 811.520 (unlawful use or failure to use lights) limits the ability to use the following lights with any other lights during day or night:

(a) public vehicle warning lights

(b) pilot vehicle warning lights

(c) tow vehicle warning lights

(d) police lights

(e) warning lights on vehicles at a scene of an actual or potential release of hazardous materials per 816.280 (warning lights - defined)

(f) warning lights on vehicles used by medical examiners to reach the scene of an accident or of a death investigation per 816.280 (warning lights - defined)

(g) commercial vehicle warning lights.

(7) motorcycle and moped headlights are in 814.320 (failure to display lighted headlights)

(8) lighting equipment requirements for electric personal assistive mobility devices are described in 815.284 (Violation of electric personal assistive mobility device equipment requirements)