The percent of visible light allowed through your car windows is called VLT: Visible Light Transmission. The percentage of light allowed through your film and glass in Illinois is very specific and different for sedan cars and SUV cars or vans.
Tint darkness for sedans:
- Windshield: Non-reflective tint is allowed on the top 6 inches of the windshield.
- Front Side windows: Must allow more than 35% of light in.
- Back Side windows: Must allow more than 35% of light in.
- Rear Window: Must allow more than 35% of light in.
Tint darkness for SUV and vans:
- Windshield: Non-reflective tint is allowed on the top 6 inches of the windshield.
- Front Side windows: Must allow more than 35% of light in.
- Back Side windows: Any darkness can be used.
- Rear Window: Any darkness can be used.
Window tint reflection in Illinois
Window tint can reflect incoming light and reduce glare and heat. Illinois window tint law permits a certain window reflection when using a tint so make sure you pay attention to this as well.
Tint reflection for sedans:
- Front Side windows: Must be non reflective, state law is not specific about what this means.
- Back Side windows: Must be non reflective, state law is not specific about what this means.
Tint reflection for SUV and vans:
- Front Side windows: Must be non reflective, state law is not specific about what this means.
- Back Side windows: Must be non reflective, state law is not specific about what this means.
Other Illinois window tint rules and regulations:
Illinois does have several other important laws, rules and regulations pertaining to window tinting. They include the following:
- Side Mirrors: Dual side mirrors are required if back window is tinted.
- Restricted Colors: No colors of tint are explicitly banned by Illinois tint laws.
- Certificates: Manufacturers of film do NOT need to certify the film they sell in the state.
- Stickers: No sticker to identify legal tinting is required.
- Medical Exceptions: Illinois does allow medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.
