Illinois 2020 Window Tint Laws

Our Illinois window tint laws are valid for 2020. These laws regulate how dark and reflective your car tint may be, but also specify other rules and regulations you need to know about.

Illinois Tint Laws
Sedan SUV
Front Windshield Top 6 inches Top 6 inches
Front Side Windows 35% 50%
Back Side Windows 35% No restrictions
Rear Windshield 35% No restrictions

Illinois state law permits any tint darkness on any windows behind driver, but only if front windows have no aftermarket tint. Front side windows can also have 50% VLT but only if all windows behind driver have over 30% VLT.

How dark can your window tint be in Illinois?

Window tint darkness is measured by Visible Light Transmission percentage (VLT%). In Illinois this refers to the percent of visible light allowed in through both the film and the glass.

See: VLT Chart for darkness examples

Here's exactly how much VLT is allowed on your auto window tint in Illinois (IL), categorized by passenger and multi-purpose vehicles.

Tint darkness for passenger vehicles:

  • 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.

Passenger vehicles include sedan, coupe, convertible, station wagon, hardtop and hatchback vehicles.

Tint darkness for multi-purpose vehicles:

  • Windshield: Non-reflective tint is allowed on the top 6 inches of the windshield.
  • Front Side windows: Must allow more than 50% of light in.
  • Back Side windows: Any darkness can be used.
  • Rear Window: Any darkness can be used.

Multi-purpose vehicles include SUV, pickups, vans, RVs, and minibuses.

Federal vehicle ID label on driver's front door frame will tell you whether your vehicle is passenger or multi purpose vehicle.

How reflective can your window tint be in Illinois?

Tinting film may contain metallic elements which help in reflecting incoming light. This reduces glare and heat generated by visible light. Below you can find out how much reflection is permitted on your car window tint film by law in Illinois.

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 tinting rules and regulations:

Other laws, rules and regulations in Illinois 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.
  • Certificate Requirements: Manufacturers of film do NOT need to certify the film they sell in the state.
  • Sticker Requirements: No sticker to identify legal tinting is required.
  • Medical Exemption: Illinois does allow medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.

Remember that state tint laws may be interpreted differently by your local law authorities. Get in touch with your county DMV or police department to make sure you are not breaking Illinois window tinting laws, rules and regulations.