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) 2022-2025 Service Manual: Description and Operation
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    Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Slide Open/Close
    Push the sunroof switch rearward. The sunroof glass slides open. If the power sunshade is closed, the power sunshade opens first and then the sunroof glass opens. Push the sunroof switch forward. The sunroof glass closes. Push the sunroof switch forward or rearward to th ...

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