Hyundai Tucson (NX4) 2022-2026 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) 2022-2026 Service Manual: Brake Pedal
- Components 1. Brake member assembly2. Stop lamp switch3. Brake pedal arm assembly4. Brake pedal pad - Removal 1.Turn ignition switch OFF and disconnect the negative (-) battery cable. 2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel") 3.Disconnect the sto ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Daytime Running Light (DRL)
- Removal 1.Disconnect the negative (-) battery terminal. 2.Disconnect the daytime running light connector (A). 3.Loosen the mounting bolts and remove the daytime running light (A). - Installation 1.Install the daytime running light and connect the connector. 2.Connect the negative ( ...