Underglow Laws in California (2026): What Gets Your Car Ticketed
Your car’s undercarriage glowing at night looks pretty cool, right? Yeah, but here’s the thing. In California, underglow lighting is actually illegal. Most people have no idea how strict these rules are until they get pulled over. Let’s break down exactly what you need to know so you don’t end up with an expensive ticket.
The short version? California bans underglow lights. Period. There are basically no exceptions. If you’re thinking about adding them to your vehicle, pump the brakes. The consequences are real, and they can get expensive fast.
What Is Underglow Lighting?
Underglow lights are LED or neon lights that shine underneath your vehicle. They light up the undercarriage, the area below the car’s body. Some people add them to make their cars look cooler at night. Some want them to match their car’s paint job. Either way, California says no.
Think of it like this. Your car’s headlights, taillights, and other standard lights serve a purpose. They help other drivers see you and see the road. Underglow lights don’t do that. They’re purely decorative. And that’s exactly why they’re illegal.
Why Are Underglow Lights Banned in California?
California has a good reason for this law. Safety. Seriously. Here’s why the state cracks down on underglow lighting.
First, underglow lights can distract other drivers. Imagine driving down the highway at night. Suddenly, a car zooms past with bright neon lights flashing under the bumper. That’s distracting, right? Now multiply that by thousands of cars on the road. It becomes a real safety hazard.
Second, underglow lights can be confused with police lights. California Highway Patrol cars use specific light patterns. Some underglow setups can mimic those patterns. This creates confusion on the road and can actually interfere with law enforcement. That’s a big problem.
Third, these lights can reduce visibility. When underglow lights are too bright or the wrong color, they can blind other drivers or wash out the road ahead. That’s dangerous for everyone.
California takes road safety seriously. That’s why the law is so strict. No exceptions. No “but my lights are just for fun” loopholes.
Basic California Underglow Laws
The Main Rule
Here’s the simple version. You cannot have any underglow lighting on your vehicle in California. Not under the car. Not under the bumper. Not anywhere underneath. Full stop.
Vehicle Code Section 25400 covers this. It says no lights can be displayed except where California law specifically allows them. Underglow lights aren’t on that list. So they’re illegal. Pretty straightforward.
Not sure if your lights count as underglow? Here’s the rule. If any light is mounted under your car’s body and shines downward or outward from underneath, it’s underglow. And if it’s underglow, it’s illegal in California.
What About Other Decorative Lights?
Okay, pause. This is important. We’re talking specifically about underglow lights here. What about other decorative lights on your car?
Neon tubes on the side of your car? Illegal. LED strips inside your headlights that change color? Illegal. Lights in your grille? Illegal unless they’re specifically approved by California law. Basically, any light that’s not part of your car’s original equipment and doesn’t serve a safety function is probably breaking the law.
The rule is simple. Your car can have lights in these places: headlights, taillights, brake lights, turn signals, side markers, and a few others. Anything beyond that is decoration. And decoration lights are against the law.
Penalties for Underglow Lights in California
Now here’s where it gets serious. What happens when you get caught with underglow lights? The consequences can hit hard.
The Ticket
First, you’ll get a ticket. A fix-it ticket, technically. That means you have a certain amount of time to remove the lights and get a police officer to sign off that you fixed it. Think of it like a traffic ticket, but with the opportunity to make it go away if you comply quickly.
The fine for a first offense is typically between $25 and $100. That’s not crazy expensive. But wait, there’s more.
Additional Costs
Here’s what most people don’t realize. That ticket is just the beginning. You also have to remove the underglow lights yourself. That costs money. If a professional removes them, you’re looking at $50 to $200 depending on how they’re installed.
But that’s still not all. If you don’t remove them and show proof to the police within a certain timeframe, the ticket becomes a regular citation. Now you’re paying the full fine plus court costs. Plus you still have to remove the lights. It adds up fast.
Serious Consequences
Hold on, this part is really important. If you get caught multiple times with underglow lights, the penalties increase. A second offense can result in fines up to $250. A third offense? You could be looking at $500 or more.
Plus, your car can be impounded. Yes, seriously. California can actually take your car away if you’re repeatedly violating vehicle code. It doesn’t happen immediately. But after multiple violations, law enforcement has the authority to impound your vehicle.
Imagine paying to get your car out of impound on top of everything else. That’s when underglow lights stop looking cool and start looking really expensive.
License Suspension
In extreme cases, repeat violations can affect your driving record. California won’t suspend your license specifically for underglow lights. But repeated traffic violations in general can eventually impact your driving privileges. The more violations you stack up, the worse it gets.
Where Are Underglow Lights Illegal?
You might be wondering. Is underglow illegal everywhere in California? Or just in certain cities?
Okay, here’s the reality. California’s vehicle code applies statewide. That means underglow is illegal in Los Angeles. It’s illegal in San Francisco. It’s illegal in San Diego. It’s illegal everywhere in California, from the coast to the mountains to the desert.
Some cities might be more strict about enforcing the law than others. Big cities like LA and San Francisco probably have more police patrols looking for this. Rural areas might be less strict. But that doesn’t mean it’s legal in rural areas. It’s not. It’s just less likely you’ll get caught.
Honestly, this is the part most people miss. Just because you haven’t seen someone get pulled over for underglow doesn’t mean it’s okay. Don’t test your luck.
Special Cases and Exceptions
You’re probably wondering if there are any exceptions. Like, what if your underglow lights are for off-road use only?
Nope. That exception doesn’t apply in California. Some states allow underglow as long as you don’t use it on public roads. Not California. If your car is registered in California and you own underglow lights, you’re breaking the law. It doesn’t matter if you promise to only use them off-road.
What if you remove them as soon as you get home? Still illegal. What if you only use them on private property? Still illegal. California’s law is pretty absolute on this one.
The only vehicles that can have special lighting are emergency vehicles like police cars and fire trucks. And even then, only specific lights in specific colors are allowed. Your regular car? Nope.
How to Remove Underglow Lights
If you currently have underglow lights on your car, here’s what you need to do. Remove them. Soon. Seriously.
Removing underglow lights is usually pretty straightforward if you’re mechanically inclined. Most lights are wired to a power source with connectors. You unplug them. Remove the mounting brackets. Done. If your lights are permanently installed, you might need professional help, but it’s still usually pretty simple.
Once you remove them, take your car to a police officer for an inspection. They’ll sign off on your fix-it ticket, and you’re done. The ticket goes away. No fine. No court appearance. You just need to act quickly.
Don’t wait around on this. The sooner you remove the lights, the sooner you resolve the ticket. Plus, you stop risking additional violations.
What About Police Enforcement?
You’re not alone if you’re wondering how seriously California enforces underglow laws. The answer? Pretty seriously, actually.
Police officers can cite you for underglow lights during any traffic stop. Even if they pulled you over for something else. They’ll notice the lights and add a violation to your ticket. It’s a relatively easy citation to write.
Big cities tend to enforce this more frequently. You’ll see more citations for underglow in areas with heavy traffic and active police patrols. If you live in or frequently drive through urban areas, your risk is higher.
Highway Patrol is also watching for this. Drive on the freeway at night with underglow, and you’re increasing your chances of getting pulled over. CHP specifically focuses on safety violations, and they consider underglow a distraction hazard.
Don’t think you can get away with it just because you haven’t heard about someone getting cited. That’s how people get surprised by a ticket.
Can You Get Underglow in Other States?
Maybe you’re wondering. If underglow is illegal in California, what about Nevada or Arizona? Can you drive to another state and add them legally?
The answer is yes and no. Some states do allow underglow lighting. Nevada has less strict laws. Arizona is more permissive too. You could technically get underglow installed in another state.
But here’s the catch. If your car is registered in California, California law applies. You can’t break California law just because you installed the lights somewhere else. The instant you drive back into California with those lights, you’re violating the law.
Plus, you’d have to remove them or hide them every time you come back to California. That’s impractical and not worth the headache. And honestly, it’s still illegal even if the lights are installed elsewhere. The law applies to the vehicle, not the location where the lights were installed.
Frequently Asked Questions
Can I have any color underglow lights in California? No. The color doesn’t matter. Red underglow, blue underglow, green underglow, white underglow. None of it is legal in California. The ban covers all underglow lighting regardless of color.
What if I use underglow lights only on private property? Still illegal. California’s vehicle code applies to registered vehicles regardless of where they’re used. If your car is registered in California and has underglow lights, you’re breaking the law.
Are there any emergency exemptions for underglow? No. Only emergency vehicles like police cars, fire trucks, and ambulances can have special lighting. Regular vehicles don’t qualify for any exemptions.
Can I get in trouble just for having the lights installed, even if I don’t use them? Yes. Just having the lights installed is illegal. You don’t have to actually turn them on. Simply possessing underglow lights on your registered vehicle violates California law.
What happens if I’m under 18 and get cited for underglow lights? You’ll face the same fines and penalties as an adult. The citation will go on your driving record. Multiple violations could impact your ability to get or maintain a driver’s license.
Final Thoughts
Here’s the bottom line. Underglow lights are illegal in California. No exceptions. No loopholes. No special circumstances. The state takes this seriously for safety reasons, and the penalties can add up quickly.
If you currently have underglow lights, remove them now. That’s your best option. If you get a fix-it ticket, comply immediately and show proof to a police officer.
If you’re thinking about adding underglow lights, don’t. It’s not worth the fine, the impound risk, or the hassle. There are plenty of legal ways to customize your car’s appearance. Focus on those instead.
Stay informed. Follow California’s vehicle code. Keep your car legal and safe on the road. When in doubt about any vehicle modification, look it up or ask a lawyer before you install it.
References
California Vehicle Code Section 25400 – Lighting Devices
California Highway Patrol – Vehicle Lighting Laws
California DMV – Vehicle Equipment Standards
