Kia Cerato 2019 Owner's Manual page 358

Driving your vehicle
✽ ✽ NOTICE
If the AGM battery is reconnected
or replaced, ISG function will not
operate immediately.
If you want to use the ISG function,
the battery sensor needs to be cali-
brated for approximately 4 hours
with the ignition off and then, turn
the engine on and off 2 or 3 times
6 118
WARNING
When the engine is in Idle Stop
mode, it's possible to restart the
engine without the driver taking
any action.
Before leaving the car or doing
anything in the engine room
area, stop the engine by turning
the ignition switch to the
LOCK/OFF position or remov-
ing the ignition key.