In Indiana, legal tint is measured by VLT — the percentage of light the filmed glass lets through. The numbers below are the darkest tint the law allows at each window position, labeled VLT MAX: install film darker than the listed VLT and the vehicle is out of compliance. Figures are compiled from official Indiana state sources; laws change, so confirm the current statute before you tint.
| Window | Darkest Legal (VLT MAX) | Reflectivity |
|---|---|---|
| Windshield | Listed. Treatment only on the uppermost part, extending no further than the AS-1 line — subsection (d) — and the material itself must meet the 30% / 25% figures | |
| Side wings (the small panes by the A-pillar) | Listed — 30% transmittance, 25% reflectance | |
| Front side windows (a side window that is part of a front door) | 30% light transmittance; total solar reflectance 25% or less (measured on the nonfilm side) | |
| Rear side windows (not part of a front door) | Not listed in subsection (c) — the statute sets no percentage and no reflectance cap for them | |
| Rear window ("rear back window") | 30% light transmittance; reflectance 25% or less |
How to Read These Numbers
- Windshield: The windshield rule controls the strip at the top of the glass and how far film or a visor band may extend down. Most states allow a non-reflective strip above the manufacturer's AS-1 line.
- Front side windows (a side window that is part of a front door): Front side windows — driver and front passenger — are the most tightly regulated and the ones checked first at a traffic stop or inspection.
- Rear side windows (not part of a front door): Rear side windows are usually allowed darker than the fronts, and on SUVs, trucks and vans they are sometimes exempt from the passenger-car limit.
- Rear window ("rear back window"): The rear window rule often interacts with side mirrors: darker rear glass typically requires dual outside mirrors.
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Indiana Tint Law Questions
What is the darkest legal tint in Indiana?
For front side windows, Indiana allows tint down to 30% light transmittance; total solar reflectance 25% or less (measured on the nonfilm side) — the VLT MAX. Rear windows may allow darker film; check the table above for each position.
What happens if my tint is darker than Indiana allows?
Over-dark tint can draw a citation and, in many states, a fix-it order requiring the film to be removed and the vehicle re-inspected. Laws also change — verify the current statute before tinting.