The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 1990 Hyundai Sonata, both ongoing and closed, are listed below:

  1. INVESTIGATION: CHARGING SYSTEM FAILURES

    NHTSA #PE94043

    Status:
    CLOSED

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  2. INVESTIGATION: PASS.RESTRAINT SYSTEM FAIL

    NHTSA #PE93061

    Status:
    RECALLED

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