Illinois Window Tint Laws
Complete guide to window tinting regulations in Illinois 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 on top 6 inches |
| Front Side Windows | 35% VLT minimum |
| Back Side Windows | 35% VLT minimum (for sedans); Any darkness for SUVs and vans |
| Rear Window | 35% VLT minimum (for sedans); Any darkness for SUVs and vans |
Medical Exemption
Medical Exemptions Available
Illinois provides medical exemptions for window tinting for individuals with medical conditions requiring protection from sunlight, including photosensitivity, lupus, melanoma, and other light-sensitive conditions.
📋Steps to Obtain Medical Exemption
- 1Obtain medical evaluation from licensed physician or dermatologist
- 2Physician must complete medical exemption certification form
- 3Submit completed form and medical documentation to Illinois Secretary of State
- 4Receive approved exemption sticker and display on vehicle
📄DMV Forms & Documentation
Illinois Secretary of State Medical Exemption Application Form required
Other Tint Laws & Requirements
| Reflection Limits | No window tint can be more reflective than standard glass window |
| Color Restrictions | No specific color restrictions in Illinois tint statute |
| Certification | Tint installer must provide certificate of compliance to vehicle owner |
| Stickers | Certificate identifying legal tinting required between tint and glass on driver's side |
About Illinois
State Overview
Illinois experiences hot, humid summers with temperatures frequently reaching 95°F, especially in the Chicago metropolitan area. Window tinting helps residents manage heat and protect vehicle interiors from sun damage.
Important Notes
Illinois State Police enforce window tint regulations. Multi-purpose vehicles have more lenient requirements than passenger cars. Dual side mirrors required if rear window is tinted. Chicago area has particularly active enforcement.
Cities and Counties in Illinois
Legal References
The information on this page has been compiled from official state sources and regulations:
- Illinois Vehicle Code 625 ILCS 5/12-503
- Illinois Secretary of State Vehicle Services
- Illinois State Police Traffic Safety Guidelines
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.