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 Service Manual: Intake Manifold
    - Components 1. Intake manifold2. Intake manifold gasket3. Intake manifold stay4. Electronic Throttle Contorl (ETC)5. Electronic Throttle Contorl (ETC) gasket6. Purge Control Solenoid Valve (PCSV) & Bracket7. Vacuum hose & Pipe - Removal and Installation     • ...

    Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Battery
    WARNING To prevent serious injury or death to you or bystanders when working near or handling the battery: Always read and follow instructions carefully when handling a battery. Wear eye protection designed to protect the eyes from acid splashes. Keep all flames, sparks, or smok ...

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