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Driving Your Vehicle
ISG malfunction
ISG system may not operate if:
• The Auto Stop (
) indicator illuminates
in yellow on the instrument cluster.
• The ISG OFF button illuminates.
Have your vehicle inspected by an
authorized HYUNDAI dealer.
Calibrating the battery sensor
2C_ISGBatterySensor
[A] Battery sensor
If the AGM battery is reconnected or
replaced, the ISG system does not
operate immediately. If you want to use
the system, the battery sensor needs to
be calibrated following the procedure.
1. Turn off the engine.
2. Disconnect all electronic devices that
were additionally installed after the
vehicle was delivered, such as
navigation, dashcam, etc.
3. After 4 hours with the engine off, turn
the engine on and off 3 to 4 times.
6-54
Information
The ISG system may not operate in the
following situations.
• There is a malfunction with the ISG
system.
• The battery is weak.
• The brake vacuum pressure is low.
If this occurs, have your vehicle inspected
by an authorized HYUNDAI dealer.
NOTICE
• Use only a genuine HYUNDAI AGM
battery for replacement. If not, the ISG
system may not operate properly.
• Do not recharge the AGM battery with a
general battery charger. It may damage
or explode the AGM battery.
• Do not remove the battery cap. The
battery electrolyte, which is harmful to
the human body may leak out.
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