Some current-source details could not be fully reconciled. Read the limitations below before relying on this summary.
Illinois ties front-side tint to the treatment of the rear windows. A simple sedan-versus-SUV chart misses the statute’s conditions.
Read the official sources ↓Rules by window
| Window | Requirement |
|---|---|
| Windshield | Nonreflective film only on the top six inches. 625 ILCS 5/12-503(a). |
| Front side | Nonreflective front film: at least 35% when no rear-of-driver window is treated below 35%, or at least 50% when none is treated below 30%. A separate 50% front option covers nonreflective smoked or tinted rear glass originally installed by the manufacturer. These are conditional routes in subsection (a-5), not independent rear-window floors. |
| Rear side | No single standalone percentage: rear treatment controls eligibility for front-side tint. Check the applicable combination in subsection (a-5). |
| Rear window | Rear treatment affects the available front-side options. Subsection (b-5) attaches two outside mirrors to the rear screens or decorative applications described in subsection (b); subsection (e) separately addresses a materially obscured rear window. Do not read these as one universal tint-triggered mirror rule. |
Choose the whole vehicle’s tint together
Subsection (a-5)(4) refers to manufacturer-installed rear tinted glass, not every SUV. Dark aftermarket rear film should not automatically be treated as qualifying factory glazing. The stated 5% metering variance is an enforcement allowance, not a recommended darker target.
Medical certification and plates
The Secretary of State requires qualifying physician certification, a copy submitted to the agency and distinctive tinted-window plates. Keep the certification in the vehicle and renew it with the physician every four years. The official instructions also require a copy with annual plate renewal. The March 2026 form explains qualifying conditions and the same-household transport provision; a generic light-sensitivity note is not automatically sufficient.
The retrieved enactment requires the medical plates or sticker to be on the vehicle before exempt treatment is installed, and the installer must retain the physician’s certification. Public Act 102-111 added traumatic-brain-injury-related light sensitivity effective January 1, 2022. The current agency page and March 2026 form omit that example; ask the Secretary of State to resolve the paperwork before installation. Omission from those examples does not establish that all such applications are refused. For front-side relief under subsection (a-5), the enacted text still excludes conditions adequately protected by sunglasses or other eye-protective devices.
Before installation
Ask the installer to identify the applicable statutory combination and measure the finished windows. Keep the medical plate and certification process separate from ordinary product labeling.
Before you rely on this guide
This is general information, not legal advice, a vehicle inspection, or permission to install a particular film. Exceptions and enforcement procedures can depend on your circumstances.
- The complete current official statute could not be retrieved. Complete 2021 and 2023 enactments now support the historical statutory wording, alongside official indexed excerpts, but current full-section currency and subsequent amendments remain unverified. Separately retrieved agency instructions and the March 2026 form do not resolve that limitation.
- The reviewed section phrases the front options in terms of film/tint transmittance and rear treatment; it does not provide a separate detailed glass-plus-film testing protocol. Confirm the installed result with the enforcing agency or qualified installer.
- A separate banned-color list or ordinary film-certification sticker requirement was not established by these sources.
The research date shows when the sources were checked. It is not the date the law took effect, and it does not mean this page is monitored continuously. This research preview still awaits human editorial review; we do not claim attorney review.
Official sources
- Illinois Vehicle Code, 625 ILCS 5/12-503 ↗
Complete current-section retrieval remains blocked. Indexed official excerpts are corroborated by complete enacted versions retrieved from the Secretary of State’s 2021 and 2023 session laws; neither session-law volume establishes a complete 2026 consolidation or absence of subsequent amendments.
- Illinois Secretary of State: Tinted Windows License Plates ↗
Medical application, certification renewal, carrying documents and special plates.
- Illinois Tinted Window Certification, VSD 704.8 ↗
Official form revised March 2026; eligibility and required physician/applicant certification.
- Illinois Secretary of State: 2021 Session Laws, Public Act 102-0111 ↗
Complete act retrieved: printed pages 4808–4813 (PDF pages 4834–4839). New medical wording is shown typographically; approval July 23, 2021 and effective January 1, 2022 are printed at the act’s end. This is historical enacted evidence.
- Illinois Secretary of State: 2023 Session Laws, Public Act 103-0032 ↗
Complete act retrieved: printed pages 3265–3270 (PDF pages 3287–3292). Effective January 1, 2024; creates subsection (c-5)’s windshield-object stop/search limitation, while retaining the existing medical language. The no-stop provision is not a general tint exemption.