ECU HYUNDAI IONIQ 2020 Service Manual

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Aux. Battery Saver+
The Aux. Battery Saver+ is a function
that monitors the charging status of
the 12 V auxiliary battery.
If the auxiliary battery level is low, the
main high voltage battery charges
the auxiliary battery.
Information
The Aux. Battery Saver+ function will
be ON when the vehicle is delivered. If
the function is not needed, you may
turn it off in the Users Settings mode
on the cluster. For more information,
refer to the following page.
Mode
Cycle Mode :
When the POWER button is in the
OFF position with all doors, hood
and liftgate closed, the Aux. Battery
Saver+ activates according to the
auxiliary battery status.
Automatic Mode :
When the POWER button is in the
ON position with the charging con-
nector plugged in, the function acti-
vates according to the auxiliary bat-
tery status to prevent overdischarge
of the auxiliary battery.Information
• The Aux. Battery Saver+ activates
maximum of 60 minutes. If the Aux.
Battery Saver+ function activates
more than 10 times consecutively
when in the automatic mode, the
function will stop activating, judg-
ing that there is a problem with the
auxiliary battery. In this case, drive
the vehicle for some period of time
or if the auxiliary battery returns to
normal, the function will start acti-
vating.
• The Aux. Battery Saver+ function
cannot prevent battery discharge if
the auxiliary battery is damaged,
worn out, used as a power supply or
unauthorized electronic devises are
used.
• If the Aux. Battery Saver+ function
was activated, the high voltage bat-
tery level may have decreased.
i
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I-4
Forward Collision-Avoidance assist (FCA) ..................5-46
FCA sensor (Front view camera+ Front radar) ..........5-51
FCA warning message and brake control ..................5-48
Limitations of the system ...........................................5-55
System malfunction ....................................................5-53
System setting and activation .....................................5-46
Fuses ...............................................................................7-39
Fuse/Relay Panel Description ....................................7-43
Instrument Panel Fuse Replacement ..........................7-40
Motor Compartment Panel Fuse Replacement ..........7-42
Hazard Warning Flasher ...................................................6-2
Highway Driving Assist (HDA) ...................................5-118
System Setting and Operation ..................................5-118
Warning Message .....................................................5-121
If the Vehicle Overheats....................................................6-7
If the Vehicle Will Not Start .............................................6-3
Confirm the EV Battery Is Not Low on the
Charge Gauge .............................................................6-3
If You Have a Flat Tire ...................................................6-14
With Tire Mobility Kit (TMK)...................................6-14Important Safety Precautions............................................2-2
Air Bag Hazards ...........................................................2-2
Always Wear Your Seat Belt ........................................2-2
Control Your Speed ......................................................2-3
Driver Distraction.........................................................2-2
Keep Your Vehicle in Safe Condition ..........................2-3
Restrain All Children....................................................2-2
In Case of an Emergency While Driving .........................6-2
If the Vehicle Stalls at a Crossroad or Crossing ..........6-2
If the Vehicle Stalls While Driving ..............................6-2
If you Have a Flat Tire While Driving.........................6-3
Infotainment System .........................................................4-2
Antenna ........................................................................4-2
Audio (Display Audio) / Video / Navigation System ..4-5
Bluetooth
®Wireless Technology Hands-Free..............4-4
Steering Wheel Audio Control .....................................4-3
USB and iPod
®Port .....................................................4-2
Instrument cluster ...........................................................3-54
Gauges and Meters .....................................................3-56
Instrument Cluster Control .........................................3-55
LCD Display Messages .............................................3-72
Warning and Indicator lights ......................................3-60
Instrument Panel Overview ..............................................1-5
Interior features ............................................................3-138
Cargo Security Screen ..............................................3-144
Clock ........................................................................3-142
Clothes Hanger ........................................................3-143
Cup Holder ...............................................................3-138
Floor Mat Anchor(s) .................................................3-144
Index
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