Thinking about adding underglow to your car? Here is what North Carolina law says, and how to run it legally. If you are ready to install, see our RGBIC underglow kit and the step-by-step install guide.

Is Underglow Legal in North Carolina? (2026 Guide)

Two rules are nearly universal across the US: no red light shown to the front and no blue underglow (both are reserved for emergency vehicles), and no flashing, rotating, or strobing lights while driving. Beyond that, states differ. Here is how North Carolina handles it.

Underglow rules in North Carolina

• Colors: It is unlawful to install, activate, or operate a red light, or even to possess or operate a blue light, except on law-enforcement and emergency vehicles. Avoid red and blue entirely.
• Rear lighting: No white or clear light may be displayed to the rear of a moving vehicle.
• Flashing: North Carolina does not broadly ban all flashing lights by statute, but flashing or oscillating underglow is discouraged and can draw a citation. Steady is safest.
• Driving vs parked: Usable while driving if the colors are compliant (no red or blue, no rearward white or clear).

Underglow while parked or on private property

These laws generally govern vehicles on a public road or highway, so on genuinely private property, a private parking lot, driveway, car show, or off-road, underglow use is usually far less restricted. It is not a blanket "legal when parked" rule, though. A car parked on a public street is usually still treated as being on the highway, so the color limits (no red or blue to the front) and equipment rules still apply. Red or blue lighting can also trigger separate police-impersonation laws based simply on having or using it, whether or not the car is moving. When in doubt, keep to compliant colors and check your local ordinances.

How to stay legal with underglow in North Carolina

• Keep the lights steady-burning, never flashing, strobing, or rotating.
• Show no red light to the front, and avoid blue entirely.
• Do not mimic emergency-vehicle lighting or obscure your license plate.
• Confirm the current rule below and check locally before driving with it on.

The law

North Carolina General Statute section 20-130.1 prohibits red and blue lights (a Class 1 misdemeanor), and section 20-129 covers required lighting equipment. Confirmed via FindLaw and the NC General Assembly. You can read the referenced law here: North Carolina statute.

Ready to install?

Our RGBIC underglow kit lets you dial in any color and keep it steady, and the install guide walks through wiring it to a switched power source. Free shipping on all US orders.

North Carolina Underglow FAQ

What underglow colors are illegal in North Carolina?
Red and blue are prohibited on civilian vehicles. It is even unlawful to possess or operate a blue light except on emergency vehicles.

Can I have white underglow in North Carolina?
White underglow is generally fine for the sides, but no white or clear light may be shown to the rear of a moving vehicle.

Can I have underglow on while parked in a lot?
On genuinely private property, such as a private lot, driveway, or car show, underglow use is generally far less restricted. On a public street a parked car is usually still treated as being on the highway, so the color rules still apply, avoid red and blue, and check your local ordinances.

Updated July 2026.