Hyundai Elantra: ISG (Idle Stop and Go) system / Battery Sensor Deactivation
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[A] : Battery sensor
The battery sensor is deactivated, when
the battery is disconnected from the
negative pole for maintenance purpose.
In this case, the ISG system is limitedly
operated due to the battery sensor
deactivation. Thus, the driver needs
to take the following procedures to
reactivate the battery sensor after
disconnecting the battery.
Prerequisites to reactivate the
battery sensor
Switch "ON" and "OFF" the ignition one
time. Park the vehicle for a minimum of 4
hours with the hood and all doors closed.
Pay extreme caution not to connect any
accessories (i.e. navigation and black
box) to the vehicle with the engine in the
OFF status. If not, the battery sensor may
not be reactivated.
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 the ISG system
checked by an authorized HYUNDAI
dealer.
NOTICE
- Use only a genuine HYUNDAI
Absorbent Glass Mat (AGM) battery
for replacement. If not, the ISG
system may not operate normally.
- Do not recharge the Absorbent Glass
Mat (AGM) battery with a general
battery charger. It may damage or
explode the Absorbent Glass Mat
(AGM) battery.
- Do not remove the battery cap. The
battery electrolyte, which is harmful
to the human body, may leak out.
The ISG system may not operate:
When there is a malfunction with the ISG
sensors or the ISG system.
The followings occur, when there is a
malfunction with the ISG system:
The auto stop indicator ()
will
illuminate in yellow on the instrument
cluster...
Other information:
The sunroof may need to be reset if the
following conditions occur:
-- The battery is discharged or
disconnected or the sunroof fuse has
been replaced or disconnected.
-- The sunroof control lever is not
operating correctly.
1. Turn the ignition switch to the ON
position or start the engine. We
recommend resetting the sunroof
while the engine is running.
2. Close the sunroof completely if
..
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