Hyundai Santa Fe: Idle Stop and Go (ISG) / Forced to restart engine

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual / Driving your vehicle / Idle Stop and Go (ISG) / Forced to restart engine

The engine is automatically restarted in the following situations.

  • 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 high level
  • The front defroster is ON
  • The battery is weak
  • The cooling and heating performance of the climate control system is unsatisfactory
  • The vehicle is shifted to P (Park) or R (Reverse) when Auto Hold is activated
  • The door is opened or the seatbelt is unfastened when Auto Hold is activated
  • The EPB switch is pressed when Auto Hold is activated

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 on the engine compartment, turn off the engine by pressing the ENGINE START/STOP button to the OFF position.

    ISG system off

    ..

    ISG malfunction

    ISG system may not operate when there is a malfunction with the ISG sensors or ISG system. The following will occur, when there is a malfunction with the ISG system: The Auto Stop () indicator will illuminate in yellow on the instrument cluster...

    Other information:

    Hyundai Santa Fe (TM) 2019-2025 Service Manual: Components and components location


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    Hyundai Santa Fe (TM) 2019-2025 Service Manual: Battery. Description and operation


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