Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Idle Stop and Go (ISG) System / 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. Turn off the engine.

2. Disconnect all electronic devices that were additionally installed after the vehicle was delivered, such as navigation, dashcam, etc.

3. After 4 hours with the engine off, turn the engine on and off 3 to 4 times.

Information

The ISG system may not operate in the following situations.

- There is a malfunction with the ISG system.
- The battery is weak.
- The brake vacuum pressure is low. If this occurs, have the vehicle inspected by an authorized HYUNDAI dealer.

NOTICE

  • Use only a genuine HYUNDAI AGM battery for replacement. If not, the ISG system may not operate properly.
  • Do not recharge the AGM battery with a general battery charger. It may damage or explode the AGM battery.
  • Do not remove the battery cap. The battery electrolyte, which is harmful to the human body may leak out.
    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 ...

    Drive Mode Integrated Control System
    Type A Type B The drive mode can be selected according to the driver’s preference or road condition. The system resets to NORMAL mode, when the engine is restarted. Information If the ...

    Other information:

    Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Floor Mat Anchor(s)
    ALWAYS use the Floor Mat Anchors to attach the front floor mats to the vehicle and prevent the mats from sliding forward. WARNING To prevent serious injury or death from a floor mat interfering with the brake or accelerator pedals: Remove any protective film on the carpet before i ...

    Hyundai Tucson (NX4) 2022-2025 Service Manual: Water Jacket Insert
    - Removal and installation     • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points") 1.Remove the cylinder ...

    © 2023-2025 Copyright www.htucson4.com