Hyundai Tucson: Idle Stop and Go (ISG) System / ISG System Off

Type A

Type B

Press the ISG OFF button to turn off the ISG system. The ISG OFF button indicator illuminates. To use the system, press the ISG OFF button again.

ISG System Operation
Prerequisite for activation The driver's seatbelt is fastened. The driver's door and hood are closed. The brake vacuum pressure is adequate. The battery sensor is activated and the bat ...

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 ...

Other information:

Hyundai Tucson (NX4) 2022-2023 Owner's Manual: Forward Collision-Avoidance Assist Malfunction and Limitations
Forward Collision-Avoidance Assist malfunction When Forward Collision-Avoidance Assist is not working properly, the "Check Forward Safety system" warning message may appear, and the and warning lights may illuminate on the instrument cluster. Have the vehicle inspected by an aut ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Crankshaft Position Sensor (CKPS) Schematic Diagrams
Circuit Diagram (M/T) (A/T) ...

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