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: Smart Key Diagnostic
    - Inspection Self Diagnosis With Scan Tool It will be able to diagnose defects of SMART KEY system with diagnostic tool quickly. diagnostic tool can operates actuator forcefully, input/output value monitoring and self diagnosis.The following three features will be major problem in SMART KE ...

    Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Reverse Parking Collision- Avoidance Assist Operation
    If Rear Active Assist or Rear Warning Only is selected from the settings menu, Reverse Parking Collision-Avoidance Assist is in ready status when all of the following conditions are met: The liftgate is closed. The EPB (Electronic Parking Brake) is released. The gear is shifted to ...

    © 2023-2025 Copyright www.htucson4.com