Underglow in Illinois
Vehicle type: Suv
Underglow may not be used on public roads in Illinois. Unauthorized oscillating, rotating, or flashing lights are a Class A misdemeanor even when unlit, and only limited amber or white cowl and courtesy lamps are permitted, so underglow use on public roads is treated as illegal.
Verified against primary sources · August 2026
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Frequently Asked Questions
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Street-legal underglow picks
Gear that helps you mod without a ticket in Illinois.
The glow that's legal in every state — inside the cabin instead of under it.
Underglow LED kit →Check your state's color and flashing rules before running these on public roads.
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