Factory Privacy Glass vs a Medical Tint Exemption in North Carolina

If you live in North Carolina, you may have noticed that many vehicles come equipped with darkened windows, specifically on the rear and back windows. This is called factory privacy glass. For drivers with medical needs for extra sun protection, there’s another route: a medical window tint exemption. These two are not the same, and the difference matters if you want to avoid a $200 ticket and protect your health. Here’s what every North Carolina driver should know about factory privacy glass and medical tint exemptions.

What is Factory Privacy Glass?

Factory privacy glass is installed by the vehicle manufacturer. It’s most common on SUVs, minivans, and some trucks, where the rear side windows and back window are noticeably darker than the front side windows. While it looks dark, this glass is made by adding pigment during manufacturing, not by applying an aftermarket film. It’s designed to offer privacy for belongings and passengers in the back, and it can block some sunlight and UV rays. But it has limits.

• Factory privacy glass is legal because it’s installed by the manufacturer and usually only darkens rear and back side windows.
• The front side windows and windshield still follow North Carolina’s legal limits for visible light transmission (VLT).

Even with factory privacy glass, your front windows must allow at least 35% of visible light through. The rear and back side windows can also be 35% VLT; most factory privacy glass measures between 15-25% VLT, which is darker than state law allows for aftermarket tint. This difference can create confusion, especially if you have a medical reason for needing extra protection from sunlight.

North Carolina’s Window Tint Laws

The North Carolina window tint law is straightforward but strict. Here’s a quick summary:

• Front side windows: 35% VLT or lighter
• Back side windows: 35% VLT or lighter
• Rear window: 35% VLT or lighter
• Windshield: Non-reflective tint only, above the AS-1 line

If an officer pulls you over and your tint is darker than allowed, you could face a $200 fine, plus you might have to remove the illegal tint. The law applies whether the tint is added after purchase or even if the glass looks dark due to factory privacy glass, as soon as you add aftermarket tint, the windows are measured for total light transmission, not just the film.

Medical Tint Exemption: How It Works in North Carolina

North Carolina does allow a medical window tint exemption for drivers or passengers with certain health conditions. With a medical exemption, you can install window tint darker than the standard legal limit, including on the front side windows. The exemption is only valid for those with qualifying medical needs, as determined by a licensed physician.

Here’s how the process works if you apply through our service:

1. You schedule a remote telemedicine consultation with a licensed physician.
2. The doctor evaluates your medical needs and, if you qualify, signs medical exemption documentation.
3. You receive signed documentation to keep in your vehicle at all times.
4. If you don’t qualify, you get your $250 consultation fee refunded.

The duration of the exemption depends on your physician’s recommendation. You must have the documentation in your vehicle if you are stopped by law enforcement.

Who Qualifies for a Medical Tint Exemption?

Not every medical condition is eligible, but North Carolina recognizes several conditions that may justify a tint exemption. Common examples include:

• Photophobia
• Lupus (Systemic Lupus Erythematosus)
• Chronic migraines
• Porphyria
• Albinism
• Vitiligo
• Xeroderma pigmentosum
• Solar urticaria

There are other conditions as well. If you want a full list, refer to all qualifying conditions. If you’re unsure what qualifies, check our FAQ or consult with our team.

Factory Privacy Glass vs. Medical Tint Exemption: What's the Difference?

It’s easy to think that factory privacy glass is the same as a medical exemption, but they are not interchangeable. Here’s how they compare:

• Factory privacy glass is built into the vehicle by the manufacturer, usually on rear windows. It does not provide a medical exemption and cannot be applied to the front side windows.
• Medical tint exemption is a legal waiver that allows you to install aftermarket tint darker than the 35% VLT limit, even on the front side windows. You must have signed medical documentation in the vehicle.

If you install additional tint on top of factory privacy glass, you must comply with the exemption requirements. Law enforcement will measure total VLT, not just the film or the glass separately.

Why Not Just Use Factory Privacy Glass?

For many people, factory privacy glass is enough for privacy or aesthetics. But for those with medical needs, such as migraines, photophobia, or serious skin conditions, it may not provide enough protection. North Carolina law only allows you to exceed the 35% VLT limit with a valid medical exemption. If you add aftermarket tint to the front windows without an exemption, you’re risking a $200 fine and a potential order to remove the tint.

The Process: How to Get Your Medical Exemption

Getting a medical tint exemption in North Carolina is straightforward with remote telemedicine. Here’s what you do:

1. Check if you qualify based on your medical history or condition. For more on eligibility, book a screening or see all qualifying conditions.
2. Book your consultation. Our service charges a one-time fee of $250, which covers your physician evaluation and all required documentation.
3. Telemedicine visit. You meet with a North Carolina-licensed physician through a secure online call. No in-person doctor’s office visit required.
4. Receive your signed documentation. If you qualify, the physician completes and signs the official exemption documentation. You keep this in your vehicle at all times to show law enforcement if needed.
5. Money-back guarantee. If the physician determines you don’t qualify, your $250 is returned.

This process is designed to be fast, private, and compliant with North Carolina regulations. For more about how our process works, read about North Carolina Tint Exemption.

Risks of Ignoring the Law

Some drivers think they can get away with darker tint by relying on factory privacy glass or by having a doctor’s note from another state. In North Carolina, local law enforcement checks for compliance with state tint laws. If your windows test darker than 35% VLT (on any window except the windshield above the AS-1 line), and you don’t have a valid North Carolina medical exemption, you can be fined $200 and ordered to remove the tint. Out-of-state or unofficial notes aren’t accepted.

Keep your documentation in the vehicle at all times. The exemption is only valid as long as the physician’s recommendation remains current. For answers to the most common questions, visit our frequently asked questions page.

Key Takeaways for North Carolina Drivers

• Factory privacy glass and a medical tint exemption are not the same thing.
• Factory privacy glass is legal but limited to rear and back side windows.
• To legally tint your front side windows darker than 35% VLT, you need a valid North Carolina medical exemption.
• The only way to get this exemption is through a licensed provider and physician-signed documentation.
• Your documentation must always be kept in your vehicle.

If you think you have a qualifying condition, check your eligibility and book your exemption today. For more information on conditions, see all qualifying conditions or read more articles on our blog.