50% VLT Tint on Front in South Dakota
Installing a 50% VLT film on your front side windows is fully legal (any film in the 35% - 100% VLT range is compliant) under South Dakota Codified Laws Section 32-15-2.1.
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SD Technical VLT Blueprint
Interactive diagnostic spec sheet
VLT Compliance Analysis
Visible Light Transmission (VLT) measures the amount of light passing through the glass. In South Dakota, front side window glass must transmit a minimum of 35% light.
A 50% VLT window tint on front side windows is legal in South Dakota. Keep your professional installation invoice in your vehicle as verification.
50% Tint Compliance Metrics Check
Passenger Sedans
| Windshield: | Non-reflective tint allowed above AS-1 line or top 5 inches |
| Front Side: | (Limit: 35%)✓ LEGAL |
| Rear Side: | (Limit: 20%)✓ LEGAL |
| Rear Window: | (Limit: 20%)✓ LEGAL |
SUVs, Trucks & Vans
| Windshield: | Non-reflective tint allowed above AS-1 line or top 5 inches |
| Front Side: | (Limit: 35%)✓ LEGAL |
| Rear Side: | (Any)✓ LEGAL |
| Rear Window: | (Any)✓ LEGAL |
Penalty Enforcement Schedule
If local enforcement pulls you over and tests your glass using an electronic light transmission meter, results below 35% VLT trigger local penalties.
| Infraction Class | Fine Schedule |
|---|---|
| First Offense | $122 Class 2 misdemeanor ticket fine |
| Physical Compliance Check | Mandatory Verification |
Full State Database
Window tint codes regulate windshields, rear sides, and rear windshields under distinct parameters.
See All South Dakota Rules