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From Charlotte commutes to Outer Banks salt air, North Carolina film takes a beating. 35% across every window is the rule, with meters in regular use during traffic stops.
Reviewed July 2026 · Passenger cars (sedans)
| Glass | Rule for passenger cars |
|---|---|
| Windshield | Non-reflective tint above the AS-1 line. |
| Front side windows | 35% VLT or lighter |
| Back side windows | 35% VLT or lighter |
| Rear window | 35% VLT or lighter |
| Reflectivity | No more than 20% reflective. |
| Medical exemption | Available with qualifying documentation |
VLT — Visible Light Transmission — is the percentage of outside light that makes it through your glass. The number printed in the law is a floor: film may be that bright or brighter. Because factory glass already blocks a little light, an officer's meter reads the combined darkness of glass plus film. A film sold as "35%" on top of factory glass can meter a few points darker — which is why professional installers measure the final result, not the box label.
Quality matters as much as darkness. Dyed films fade purple and bubble; ceramic films like ULTRASHIELD SHADOW reject heat and up to 99% of UV at any legal darkness, with no signal interference — so you get the comfort without gambling on the number.
Certified shops that install to your state's exact legal limit and register your warranty with CARFAX.
This page summarizes North Carolina statute as published and was last reviewed July 2026. It is not legal advice. Laws change and local enforcement varies — confirm current rules with the North Carolina DMV before tinting.
Local answers for North Carolina drivers
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