Indiana Window Tint Laws: Complete Legal Guide

Window tinting can enhance your vehicle's appearance and keep your car cooler, but Indiana has specific laws governing how dark your tint can be. Breaking these rules can result in tickets, fines, and a failed vehicle inspection. Understanding Indiana's tint laws before you tint helps you avoid costly mistakes and stay on the right side of the road.

Indiana Window Tint Laws at a Glance

What is VLT and Why Does It Matter?

VLT stands for Visible Light Transmission, which measures how much light passes through your window tint. A higher VLT percentage means lighter tint (more light gets through), while a lower percentage means darker tint (less light gets through). For example, 70% VLT allows 70% of outside light to pass through the tint, while 50% VLT allows only half the light to enter.

Indiana's laws use VLT percentages to ensure drivers maintain safe visibility while still enjoying some privacy and heat reduction. Your tint installer should measure the VLT of any tint they apply to make sure it meets state requirements. If law enforcement pulls you over and suspects your tint is too dark, they can use a light meter to measure the exact VLT and determine if you're in violation.

Front Windshield Tinting Rules in Indiana

Indiana allows a maximum of 70% VLT on your front windshield, but with an important limitation: the tint must be non-reflective and applied only above the AS-1 line. The AS-1 line is the manufacturer's sunroof line—that band marked on the top of your windshield. This means you cannot tint the full windshield; you can only tint the upper portion above where this line sits.

The 70% limit is quite light, similar to a very subtle tint or even factory-applied UV protection. Many drivers who want noticeable windshield tint find this restriction limiting, but it exists for safety reasons—law enforcement and other drivers need to see into your vehicle. If you apply windshield tint below the AS-1 line or use a reflective tint product, you're in violation and subject to a ticket.

Front and Side Window Tinting in Indiana

Your front side windows (driver and front passenger windows) are subject to a 50% VLT limit. This is a noticeable but not extreme tint that still allows most outside light to pass through. At 50% VLT, the windows will appear slightly darkened, and people outside can still see into your vehicle fairly clearly, though with reduced glare.

This 50% limit applies equally to both the driver's window and the front passenger window. You cannot tint one window darker than the other to meet the law. Many drivers choose 50% tint for their front side windows because it provides a good balance between appearance, privacy, and heat reduction without crossing into illegal darkness.

Rear Window and Rear Side Window Rules

Indiana places no restrictions on tinting your rear side windows or rear window. You can apply any darkness of tint—from 50% VLT all the way down to limo tint (5% VLT or darker)—and remain fully compliant with state law. This is a significant advantage if you want a darker, more aggressive look or maximum heat reduction on the rear half of your vehicle.

Many Indiana drivers take advantage of this freedom by tinting their rear windows dark while keeping their front windows at the legal 50% limit. This creates a nice visual contrast and allows them to enjoy significant privacy and cooling benefits in the rear seating area without violating any regulations.

Banned Tint Colors in Indiana

Indiana does not ban any specific tint colors. You can legally apply blue, green, red, amber, or any other color tint, as long as the tint meets the VLT requirements. However, red or amber tints on your front side windows can sometimes draw unwanted attention from law enforcement, even if they're legal. Most drivers choose neutral colors like gray, bronze, or black for a professional appearance.

Medical Exemptions for Window Tint in Indiana

Indiana does allow medical exemptions for window tinting. If you have a documented medical condition that requires protection from sunlight—such as certain skin conditions, severe photosensitivity, or lupus—you may be eligible for an exemption that allows you to tint darker than the legal limits.

To obtain a medical exemption, you'll need a letter from a licensed physician stating that you have a medical condition requiring window tint darker than Indiana's legal limits. You should carry this documentation in your vehicle at all times. However, Indiana does not issue an official exemption certificate; the doctor's letter serves as your evidence. If stopped, present the letter to law enforcement. Even with a medical exemption, it's wise to notify local police that you have tinted windows for medical reasons.

Penalties for Illegal Window Tint in Indiana

If law enforcement stops you for tint that's too dark, you can receive a ticket. Indiana treats window tint violations as a minor infraction, and fines typically range from $25 to $100, depending on the officer's discretion and local enforcement practices. Additionally, you'll likely be issued a fix-it ticket, which gives you a certain period (usually 10 days) to remove or lighten the illegal tint and have your vehicle re-inspected by law enforcement.

Vehicle inspections in Indiana will also fail if your tint exceeds legal limits. When you bring your car for the annual safety inspection, the inspector will measure the tint on your front side windows and front windshield. If either exceeds the legal limit, your inspection fails and you cannot register your vehicle until you correct the tint.

Find a Local Indiana Tint Shop

Choosing a reputable tint installer who understands Indiana's specific laws ensures your tint will pass inspection and keep you legal on the road. TintingSource.com connects you with certified window tinting shops across Indiana that know state regulations inside and out. Search for a shop near you today and get professional tinting that's both beautiful and compliant.