Neon Underbody Lighting Regulations

Written by neal litherland
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Underbody lighting has become a craze among car enthusiasts, particularly for subcompacts, according to Car owners should be aware of a number of lighting regulations and requirements before they start building their kits. These laws vary by locality, so it's important to check with your local jurisdiction.

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According to, which has researched neon lighting regulations for vehicle underbodies, the colour of the lights is important. Red lights are frowned upon, because red lights are meant for use by emergency personnel and police officers. Though loopholes exist, such as a provision in Texas law that states red lamps must be visible from the front and middle of a vehicle, but often it's better to choose a colour other than red.


Underbody lighting is generally legal. However, this varies by state, county and city. If the state says it's legal and your county says it's legal, but your city says it's illegal within city limits, then you can't have your neon running within the city limits. Check with your motor vehicles department and local police force to be sure your underbody lighting is within the law.

Lighting Style

Other concerns can be raised with neon lights on your car's underbelly. For instance, if the lights flash, they might be illegal in your jurisdiction. Additionally, it may be legal to have the lights on while you're parked, but illegal to have them on while driving. It may be illegal to have lights that change with the bass of your radio.

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