Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Idle Stop and Go (ISG) System / ISG Malfunction

ISG system may not operate if:

  • The Auto Stop () indicator illuminates in yellow on the instrument cluster.
  • The ISG OFF button illuminates.

Contact an authorized HYUNDAI dealer for assistance.

    Conditions that Restart the Engine
    The engine is automatically restarted if: The brake vacuum pressure is low. The engine has stopped for about 5 minutes. The air conditioning is ON with the fan speed set to a certain hig ...

    Calibrating the Battery Sensor
    If the AGM battery is reconnected or replaced, the ISG system does not operate immediately. If you want to use the system, the battery sensor needs to be calibrated following the procedure. 1 ...

    Other information:

    Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Intelligent Speed Limit Assist Operation
    Intelligent Speed Limit Assist may warn and control your vehicle by "Displaying speed limit", "Warning overspeed" , and "Changing set speed". Information Intelligent Speed Limit operation is described based on the offset adjusted to "0". For more information on setting the offset, refe ...

    Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Automatic Transmission Operation
    The automatic transmission has eight forward speeds and one reverse speed. The individual speeds are selected automatically in the D (Drive) position. The indicator on the instrument cluster displays the shift lever/button position when the ignition switch is in the ON position. WARNING ...

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