Underglow in South Dakota
Vehicle type: Sedan
Underglow is legal in South Dakota, including while driving, subject to color and flashing limits: Red visible from the front and blue anywhere are Class 2 misdemeanors, and no more than three auxiliary lamps may be used.
Verified against primary sources · August 2026
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Frequently Asked Questions
Are underglow legal in South Dakota?
What are the underglow limits in South Dakota?
Are there exceptions for underglow in South Dakota?
Street-legal underglow picks
Gear that helps you mod without a ticket in South Dakota.
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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