Form 10-K annual report for fiscal year ended December 31, 2023, filed by Hyundai ABS Funding, LLC as depositor for the Hyundai Auto Receivables Trust 2021-C asset-backed securities issuing entity. Filed pursuant to Regulation AB. The filing omits Items 1A (Risk Factors) and 1C (Cybersecurity) under General Instruction J(1) and contains no cybersecurity incident disclosure, no breach narrative, no affected-individual data, and no material legal proceedings.