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South Dakota · Article Updated May 26, 2026

Hyundai Cases Under South Dakota Lemon Law

Hyundai and Genesis cases in South Dakota — Theta II engine failures/fires, oil consumption, and Ioniq EV defect patterns, with cold factors.

Hyundai (including Genesis) has a solid South Dakota market share — Tucson, Santa Fe, Kona, Elantra, and Palisade are common, with AWD trims favored for winter. Cases are pursued under the South Dakota Lemon Law, Magnuson-Moss, and the DTPA.

Common Hyundai defect patterns

  • Theta II 2.0T/2.4L engine — bearing failure, seizure, engine fires (extensive recall/class-action history).
  • Nu / Gamma engine oil consumption.
  • Rod-bearing knock and stalling.
  • Dual-clutch (DCT) issues.
  • Ioniq 5 / Ioniq 6 EV — ICCU failure (12V drain/no-start), cold-weather charging.
  • Theft-vulnerability software issues (Kia/Hyundai immobilizer).

South Dakota Hyundai market

  • Tucson / Santa Fe / Kona / Palisade AWD for winter driving.
  • Elantra sedan volume.
  • Growing Ioniq EV presence.

Safety + DTPA leverage

Theta II engine fires are a serious safety matter, and the deep recall/class-action history supports a DTPA misrepresentation theory. Extreme cold aggravates Ioniq ICCU 12V issues; winter de-icer drives electrical corrosion.

Bottom line

Hyundai cases — Theta II engine failures/fires, oil consumption, and Ioniq ICCU — are strongly positioned under South Dakota law. Report by 12,000 miles, use any manufacturer IDS, then sue. Get a free case review.

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