Prerequisite for activation
The ISG system operates in the following situations.
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 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.
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.
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.
Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.
Components and components location Components Location[General type]1. Condenser[N Line]1. Condenser Repair procedures Inspection1.Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air.