South Dakota Window Tint Laws
Complete guide to window tinting regulations in South Dakota for 2026
Tint Darkness Requirements
Understanding VLT Percentages
The percentages below indicate the minimum Visible Light Transmission (VLT) allowed. Lower percentages mean darker tints. For example, 35% VLT means at least 35% of light must pass through.
| Windshield | Non-reflective tint allowed above manufacturer's AS-1 line |
| Front Side Windows | 35% VLT minimum |
| Back Side Windows | 20% VLT minimum |
| Rear Window | 20% VLT minimum |
Medical Exemption
Medical Exemptions Available
South Dakota allows medical exemptions for window tinting when individuals have documented medical conditions requiring protection from sunlight or UV exposure.
📋Steps to Obtain Medical Exemption
- 1Obtain medical certification from licensed physician
- 2Physician must provide written statement of medical necessity on letterhead
- 3Submit medical documentation to South Dakota Department of Revenue - Motor Vehicle Division
- 4Keep approved medical documentation in vehicle at all times
📄DMV Forms & Documentation
Medical certification letter on physician's letterhead required
Other Tint Laws & Requirements
| Reflection Limits | No metallic or mirrored tint allowed on any windows |
| Color Restrictions | Red and amber tints are prohibited on windshield and front side windows |
| Certification | Tint manufacturer must certify compliance with South Dakota standards |
| Stickers | Certificate sticker must be placed between tint film and glass on driver's side |
About South Dakota
State Overview
South Dakota experiences hot summers with temperatures exceeding 100°F in many areas. The state's continental climate and intense sun exposure make window tinting valuable for heat management.
Important Notes
South Dakota Highway Patrol enforces tint regulations. Dual side mirrors required if rear window is tinted. South Dakota allows darker tint on rear windows compared to front.
Cities and Counties in South Dakota
Legal References
The information on this page has been compiled from official state sources and regulations:
- South Dakota Codified Laws § 32-15-6
- South Dakota Department of Revenue - Motor Vehicle Division
- South Dakota Highway Patrol Safety Division
Disclaimer
Laws and regulations are subject to change. Always verify current requirements with official state sources before making any decisions regarding window tinting. This information is provided for educational purposes only.