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:

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    WARNING Because the vehicle may slip or roll off of a jack causing serious injury or death, take the following safety precautions: • Never place any portion of your body under the vehicle that is supported by a jack. • Never attempt to change a tire in the lane of traffic. AL ...

    Hyundai Tucson (NX4) 2022-2025 Owner's Manual: To temporarily accelerate
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