(1) Except as provided in Subsections (2), (3), and (4) a person may not operate a motor vehicle with:

1. (a) a windshield that allows less than 70% light transmittance;
2. (b) a front side window that allows less than 43% light transmittance;
3. (c) any windshield or window that is composed of, covered by, or treated with any material or component that presents a metallic or mirrored appearance;

4. (d) any sign, poster, or other nontransparent material on the windshield or side windows of the motor vehicle except:

   1. (i) a certificate or other paper required to be so displayed by law; or
   2. (ii) the vehicle's identification number displayed or etched in accordance with rules made by the department under Section 41-6a-1601; or
5. (e) any debris, frost, or other substance that materially obstructs the operator's view.

(2)

1. (a) A person may not operate a motor vehicle with an object or device hanging or mounted in a manner that materially obstructs the operator's view.
2. (b) A person shall ensure that an object or device hanging or mounted in compliance with Subsection (2)(a) is used in accordance with this chapter.

(3) Nontransparent materials may be used:

1. (a) along the top edge of the windshield if the materials do not extend downward more than four inches from the top edge of the windshield or beyond the AS-1 line whichever is lowest;
2. (b) in the lower left-hand corner of the windshield provided they do not extend more than three inches to the right of the left edge or more than four inches above the bottom edge of the windshield; or
3. (c) on the rear windows including rear side windows located behind the vehicle operator.

(6)

1. (a)

   1. (i) The windshield on a motor vehicle shall be equipped with a device for cleaning rain, snow, or other moisture from the windshield.
   2. (ii) The device shall be constructed to be operated by the operator of the motor vehicle.
2. (b) A windshield wiper on a motor vehicle shall be maintained in good working order.