Hyundai Tucson (NX4) 2022-2025 Owner's Manual / Driving Your Vehicle / Idle Stop and Go (ISG) System / ISG Malfunction

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 Owner's Manual: Starting the Engine
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Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Forward Collision–Avoidance Assist (FCA) (Front view camera only)
Forward Collision-Avoidance Assist uses the front view camera to help detect a vehicle, a pedestrian, or a cyclist ahead on the road. The function may warn you with a warning message on the instrument cluster and an audible warning if a collision is imminent. If necessary, it may ass ...