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: Emergency Precautions
    Tires Do not use tires or wheels with different size and type from the one installed on your vehicle. It may affect the safety and performance of your vehicle, which could cause steering failure or rollover causing serious injury. When replacing the tires, be sure to equip all four tir ...

    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     • ...

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