
Yes, you can install lights under your car in Michigan, but it is strictly regulated by state law. The key restriction is that red, blue, and flashing lights are prohibited while the vehicle is in motion on public roads, as they can be mistaken for emergency vehicles. White or amber underglow lights are generally allowed only when the vehicle is parked or off-road. Violating these rules can result in fines, so it's crucial to understand the specifics.
Michigan's vehicle lighting laws are outlined in the Michigan Vehicle Code. Underglow lights fall under "auxiliary lighting" and must not interfere with standard required lights like headlights or brake lights. When driving, no additional lights should be visible from the front or rear that mimic official signals. For example, red lights are reserved for police and emergency vehicles, so using them could lead to a traffic stop.
Installation tips: If you proceed, ensure the lights are securely mounted to avoid damage from road debris. Use a separate switch to control them, making it easy to turn off when driving. Opt for DOT-compliant kits that are designed for automotive use to prevent electrical issues. Remember, even if lights are legal when parked, they must be turned off once you start moving.
| Aspect | Regulation in Michigan | Details |
|---|---|---|
| Allowed Colors | White, Amber | Permitted for underglow, but with restrictions. |
| Prohibited Colors | Red, Blue, Flashing | Illegal while driving; reserved for emergency vehicles. |
| Usage When Parked | Allowed | Lights can be used when the vehicle is stationary and off public roads. |
| Usage While Driving | Restricted | Only standard lighting is permitted; underglow must be off. |
| Penalties | Fine up to $100 | For first-time offenses; repeat violations may increase. |
| Placement | Not specified, but must not obscure license plate or other lights. | Avoid blocking mandatory lighting. |
| Brightness | No specific limit, but should not dazzle other drivers. | Use common sense to ensure safety. |
Before installing, check the latest Michigan Secretary of State guidelines, as laws can update. If you're unsure, consult a local automotive shop familiar with state regulations. This approach helps you customize your car safely without legal hassles.

I’ve had underglow LEDs on my truck here in Michigan for years. Just keep ’em off when you’re driving—cops will pull you over if they see red or blue. I use white lights for car shows, and it’s fine parked. It’s all about not looking like an ambulance. Easy to install with a kit from an auto store; just wire it to a switch so you can flip it on and off. No big deal if you’re about it.

As someone who works with cars daily, I’d say focus on safety and legality. In Michigan, underglow lights are okay for static display but illegal to use while moving if they’re colored like emergency signals. Electrically, make sure your kit is fused and waterproof to avoid short circuits. I’ve seen too many DIY cause battery drain. Stick to amber or white, and always disconnect when driving. It’s not worth the ticket or risk.

From a standpoint, Michigan law is clear: auxiliary lights cannot imitate emergency vehicles. So, underglow LEDs in red or blue are a no-go on roads. When parked, you have more flexibility. I advise clients to review the Michigan Vehicle Code section on lighting before modifying their car. If you’re cited, it could affect your insurance. Better to enjoy the lights off-road or at events where they’re permitted, to stay compliant.

Hey, as a young driver who loves customizing my ride, I looked into this for my car in Detroit. You can totally do it, but only use colors like white or yellow, and never turn them on while driving—save it for parking lots or meets. I got a cheap strip online and installed it myself; just be careful with wiring. It makes my car stand out without getting in trouble. Just follow the rules, and it’s a fun upgrade.


