
Yes, you can use certain neon lights, often called "underglow" lighting, on your car in Nevada, but the law places significant restrictions on their color and when they can be illuminated. The key rule is that while driving on public roads, you cannot use red, blue, or flashing lights, as these are reserved for emergency and law enforcement vehicles. Other colors like white, amber, or purple are generally permissible only when the vehicle is parked, not in motion.
The regulations are outlined in the Nevada Revised Statutes (NRS) Chapter 484. Specifically, NRS 484D.230 governs the use of auxiliary lights. The law is designed to prevent confusion with official emergency vehicles. Using prohibited colors or having the lights on while driving can result in a traffic citation and a fine.
Key Nevada Restrictions on Neon Car Lights:
| Regulation Aspect | Specific Rule | Rationale |
|---|---|---|
| Permissible Colors (while parked) | Most colors except red and blue are allowed. | To avoid impersonating emergency vehicles. |
| Prohibited Colors (while driving) | Red, blue, and flashing lights are strictly illegal. | Reserved for police, fire, and ambulances. |
| Light Placement | Lights cannot be mounted in a way that interferes with required lights (e.g., brake lights). | Ensures vehicle safety signals remain clear. |
| Status When Parked | Non-red/blue underglow can be used off-public roadway or when legally parked. | Considered for show purposes, not for active driving. |
| Potential Penalty | A moving violation ticket and fine. | Enforcement is strict due to public safety concerns. |
If you're installing underglow for car shows or off-road use, it's a popular modification. However, for daily driving, the practical use is very limited. The safest approach is to install a switch that allows you to easily turn the underglow system off completely when you're on public streets to avoid any potential legal issues. Always prioritize not distracting other drivers or mimicking emergency services.

As someone who got a ticket for this in Reno, I can tell you it's not worth the hassle. My blue underglow looked cool parked, but I forgot to turn it off driving home. Cop pulled me over immediately. He said it's a straight-up safety issue—they can't have people confusing my Civic with a police car. Now I only turn them on when I'm parked at a meet. Stick to white or amber if you must, but even then, keep it for show, not for the road.

From a technical standpoint, the legality hinges on color and state of motion. Nevada law is explicit: red and blue lights visible from the front are illegal because they're designated for emergency vehicles. The legality of other colors is a gray area when driving, but enforcement tends to be strict. The most compliant setup is to wire your underglow kit with a separate, easily accessible switch. This allows you to use it legally when parked off the public roadway (like at a show) and ensure it's completely off when driving to avoid a citation.

I love the custom car scene here in Vegas, and underglow is huge at our local meets. The unspoken rule we all follow is simple: lights on when parked, lights off when rolling. It’s about respect for the law and the community. We all want to show off our rides without giving the police a reason to break up the event or hand out tickets. It keeps everything cool and lets everyone enjoy the cars. So go for it, but be about when you flip the switch.

Think of it less about "can I" and more about "should I" from a safety perspective. Any added lighting can potentially distract other drivers, which is a primary concern for law enforcement. Nevada's laws are written to minimize this risk. Even if a color like green isn't explicitly banned, a police officer can still issue a citation if they deem the lights a distraction or a nuisance. The most foolproof way to enjoy neon lights on your car is to treat them as a show feature, not a driving feature, to ensure you're never in a position to argue with an officer about your interpretation of the statute.


