Hyundai Tucson: Idle Stop and Go (ISG) System / Conditions that Restart the Engine

The engine is automatically restarted if:

The Auto Stop () indicator blinks in green for 5 seconds on the instrument cluster when the engine is restarted.

WARNING

When the engine is in Idle Stop mode, the engine may restart without the driver taking any action. Before leaving the vehicle or working in the engine compartment, turn off the engine by moving the ignition switch to the OFF position, shifting to P (Park), applying the parking brake, and taking the key with you when you leave the vehicle.

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 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 ...

Other information:

Hyundai Tucson (NX4) 2022-2023 Owner's Manual: Resetting the Sunroof
To reset the Sunroof: 1. Start the vehicle in P (Park). 2. Make sure the power sunshade and sunroof glass are in the fully closed position. 3. Release the switch when the power sunshade and sunroof glass are fully closed. 4. Push the switch forward until the power sunshade and sun ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: ESC operation
ESC ON condition When the ignition switch is in the ON position, the ESC and the ESC OFF indicator lights illuminate for approximately three seconds and goes off, then the ESC is turned on. If this light stays on, your vehicle may have a malfunction with the ESC system. Have your vehicle che ...

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