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: Speakers
    - Inspection 1.Check the plus (+) and negative (-) speaker terminals using an ohmmeter. 2.Check the supply power to the speaker and the resistance, then inspect the sound quality. - Removal Front Door Speaker 1.Remove the front door trim.(Refer to Body - "Front Door Trim") 2.Disconnect ...

    Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Hill-Start Assist Control (HAC)
    Hill-Start Assist Control helps prevent the vehicle from rolling backwards when starting from a stop on a hill. WARNING Always be ready to depress the accelerator pedal when starting from a stop on an uphill slope. Hill-Start Assist Control activates only for about 2 seconds. Informat ...

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