Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: ISG (Idle Stop and Go) system / To Activate the ISG System

Prerequisite for activation

The ISG system operates in the following situations.

  • 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 battery is sufficiently charged
  • Outside temperature is not too low or too high
  • The vehicle is driven over a constant speed and stops
  • The climate control system satisfies the conditions
  • The vehicle is sufficiently warmed up
  • The incline is gradual
  • The steering wheel is turned less than 180 degrees and then the vehicle stops

Information

If the ISG light (white) is turned on on the instrument cluster and does not meet the ISG system operating conditions, the ISG system is not activated.

When the ISG light (yellow) is on while the ISG system meets operating conditions, we recommend that the system be inspected by an authorized HYUNDAI dealer.

Auto stop

To stop the engine in idle stop mode

1. Decrease the vehicle speed to 0 mph.

2. Depress the brake pedal with the shift button in D (Drive) or N (Neutral).

The auto stop indicator () illuminates in green on the instrument cluster, when the engine stops.

Information

The driving speed must reach at least 3 mph (5 km/h) after an idle stop to stop the engine in idle stop mode again.

In auto stop mode, when the driver opens the hood, the ISG system will be deactivated.

When the system is deactivated:

The ISG OFF button indicator illuminates.

If the message "Auto Stop is Off.

Shift to P or N and start engine manually, appears on the LCD display with a beep sound, restart the vehicle manually by depressing the brake pedal with the vehicle shifted to P (Park) or N (Neutral). For your safety, restart the vehicle in the P (Park) position.

Auto start

To restart the engine in the auto stop mode

Release the brake pedal.

--When Auto Hold is activated, if you release the brake pedal, the engine will be in the auto stop state. However, if you depress the accelerator pedal, the engine will start again.

The auto stop indicator () goes to white on the instrument cluster, when the engine is restarted.

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 the highest position
  • 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) 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 () goes to white on the instrument cluster, when the engine is restarted.

The auto start is temporarily deactivated in the following situations.

When the gear is shifted from N (Neutral) to R (Reverse), D (Drive) or Manual shift mode without the brake pedal depressed. A message "Press brake pedal for Auto Start" will appear on the LCD display. To activate auto start, depress the brake pedal.

    ISG (Idle Stop and Go) system

    The Idle Stop and Go (ISG) system automatically and temporarily shuts down the engine when the vehicle is stopped and idling to help improve fuel efficiency and reduce exhaust gas emissions...

    To Deactivate the ISG System

    Press the ISG OFF button to deactivate the ISG system. Then, the ISG OFF button indicator illuminates. Press the ISG OFF button again to reactivate the ISG system...

    Other information:

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    Categories

    Manual climate control system

    To defog inside windshield

    [A] : Type A, [B] : Type B

    1. Select any fan speed except “0” position.

    2. Select the desired temperature.

    3. Select the or position.

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