
Yes, you can put Christmas lights on your car in Utah, but doing so comes with important restrictions to avoid fines. The primary concern is color. Utah law prohibits displaying red or blue lights visible from the front of a vehicle, as these colors are reserved for emergency and law enforcement vehicles. Using white or amber lights is generally safer from a legal standpoint.
Beyond color, the method of installation is critical for safety. Lights must not obstruct your view of the road or interfere with the vehicle's required lights, such as headlights, taillights, and turn signals. Any wiring should be securely managed to prevent hazards. For power, using a portable power bank or an inverter is a better option than hardwiring into your car's electrical system, which can void warranties and pose a fire risk if done incorrectly.
| Supporting Data & Legal References | |
|---|---|
| Relevant Utah Code | |
| Prohibited Light Colors | Red, blue, or any combination of these colors visible from the front. |
| Permissible Light Colors | Amber, white, and colors not mimicking emergency vehicles. |
| Potential Fine for Violation | Up to $150, classified as a class C misdemeanor. |
| Key Safety Regulation | Lights cannot obscure or impair the operation of required vehicle lighting. |
| Recommended Power Source | Battery-operated LED lights or a portable power bank. |
The most important rule is to never turn on the decorative lights while the vehicle is in motion on a public road. This is where most drivers get into trouble, as it can easily be confused with an emergency vehicle. The safest approach is to only illuminate the lights when your vehicle is legally parked, such as at a Christmas light display or in a driveway. Battery-operated LED lights are highly recommended because they are bright, energy-efficient, and eliminate the risks associated with tampering with your car's electrical system. Always prioritize safety and legal compliance to ensure your holiday display doesn't lead to an unexpected ticket or a hazardous situation.

My neighbor tried this last year. He got a warning from a state trooper just for having a few blue lights mixed in with the white ones. The cop was cool about it but said blue and red are a total no-go. He had to cut the blue strands off right there. So yeah, you can do it, but stick to warm white or maybe green and gold. And for heaven's sake, only turn them on when you're parked.

From a purely standpoint, the Utah Code is clear. The statute prohibits any lamp or device that emits a red or blue light visible from the front, which could be mistaken for an authorized emergency vehicle. Essentially, you are modifying your vehicle's lighting equipment. The law allows for additional lamps, but they must not create a safety hazard or violate the color restrictions. My advice is to treat it like a parked display, not a moving one, to avoid any interpretation of impersonating an emergency vehicle.

It’s all about not looking like a cop car! I love the festive spirit, but I only plug my lights in once I’m parked at the town’s holiday festival. Driving with them on is just asking for a ticket. I use those -operated LED strings from the craft store—they last forever and there’s no messy wiring to deal with. It makes the kids happy and keeps everything safe and simple.

Think of it as a mobile decoration, not a new lighting system. The goal is to spread cheer, not confusion. Utah law is strict about lights that mimic . So, choose your colors wisely—avoid red and blue entirely. More importantly, the lights should only be active when the car is parked, like at a show or in your own driveway. While driving, they can distract you and other drivers. Use secure, battery-powered options for a hassle-free and legal display.


