The ISG system is designed to help reduce fuel consumption by automatically shutting down the engine when the vehicle is at a standstill
When the ISG system is ON and the vehicle is at a standstill, the engine may stop, and the AUTO STOP indicator on the Instrument Cluster will illuminate green
The engine will restart when the brake pedal is released or the shift lever is moved from D (Drive) to the R (Reverse) or P (park) position or to Manual Shift mode. When the engine restarts, the green AUTO STOP indicator on the Instrument Cluster will turn off
To deactivate the ISG System, press the ISG OFF button . If you press again, the system will be activated

Quick Tips:

The ISG system will not activate when:

Reminders:

When the ISG system is on and the vehicle is at a standstill, the engine may not stop and the AUTO STOP indicator on the Instrument Cluster will illuminate YELLOW. This indicates the system is functional but not all enabling criteria have been met.
ISG is active by default at vehicle startup. When ignition is cycled, ISG will turn ON again
Under certain conditions, the engine will restart automatically even if the brake pedal is still depressed
If the AUTO STOP indicator is continuously blinking yellow and the ISG button LED is on, please contact an authorized Kia dealer