2020 Hyundai Ioniq Plug-in Hybrid stop start

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Mode
Cycle Mode :
When the vehicle is OFF with all
doors, hood and liftgate closed, the
Aux. Battery Saver+ activates
according to the auxiliary battery
status.
Automatic Mode :
When the Engine Start/Stop button
is in the ON position with the charg-
ing connector plugged in, the func-
tion activates according to the auxil-
iary battery status to prevent
overdischarge of the auxiliary bat-
tery.Information
• The Aux. Battery Saver+ activates
maximum of 20 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, a message will be dis-
played on the instrument cluster
and the high voltage battery level
may have decreased.
System Setting
The driver can activate the Aux.
Battery Saver+ function by placing
the Engine Start/Stop button to the
ON position and by selecting:
'User Settings →Other → Aux.
Battery Saver+'
The Aux. Battery Saver+ function
deactivates, when the driver cancels
the system setting.
i
OAEPHQ049855L

H35
Warning and Indicator Lights
Ready Indicator
This indicator illuminates :
When the vehicle is ready to be driven.
- ON : Normal driving is possible.
- OFF : Normal driving is not possible,
or a problem has occurred.
- Blinking : Emergency driving.
When the ready indicator goes OFF
or blinks, there is a problem with the
system. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Service Warning Light
This warning light illuminates :
When the Engine Start/Stop button
is in the ON position.
- It illuminates for approximately 3
seconds and then goes off.
When there is a problem with the
hybrid vehicle control system or
hardware.
When the warning light illuminates
while driving, or does not go OFF after
starting the vehicle, have your vehicle
inspected by an authorized HYUNDAI
dealer.
EV Mode Indicator
This indicator illuminates when the
vehicle is driven by the electric motor. When the function is activating,
the third Charging Indicator
Lamp will blink and high voltage
electricity will be flowing in the
vehicle. Do not touch the high
voltage electric wire (orange),
connector, and all electric com-
ponents and devices. This may
cause electric shock and lead to
injuries. Also, do not modify
your vehicle in any way. This
may affect your vehicle per-
formance and lead to an acci-
dent.
WARNING
OAEEQ016025
EV

H37
Check Hybrid system. Do not
start engine
This message is displayed when the
hybrid battery power (SOC) level is
low. A warning chime will sound until
the problem is solved.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Stop vehicle and check power
supply
This message is displayed when a
failure occurs in the power supply
system.
In this case, park the vehicle in a
safe location and tow your vehicle to
the nearest authorized HYUNDAI
dealer and have the vehicle inspect-
ed.
Park with engine on to charge
battery
This message is displayed when the
hybrid battery power (SOC) level is
low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
You can increase the hybrid battery
charging rate by holding the acceler-
ator pedal to the floor with transmis-
sion in P. The engine will rev high but
it will be limited for charging purpose
when you hold the pedal to the floor.
OAEPHQ049821LOAEPHQ049822LOAEPHQ049823L

H39
Check Virtual Engine Sound
System
This message is displayed when
there is a problem with the Virtual
Engine Sound System (VESS).
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Unplug vehicle to start
(Plug-in hybrid vehicle)
This message is displayed when you
start the engine without unplugging
the charging cable. Unplug the
charging cable, and then start the
vehicle.
Charging stopped.
Check the AC charger
This warning message is displayed
when charging is stopped for the
reasons below:
- There is a problem with the exter-
nal AC charger
- The external AC charger stopped
charging
- The charging cable is damaged
In this case, check whether there is
any problem with the external AC
and charging cable.
OAEPHQ049828LOAEPHQ049829LOOSEV048131L

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Switching to Hybrid mode to
lubricate engine
(Plug-in hybrid vehicle)
This message is displayed when the
vehicle is automatically switched to
the HEV mode to lubricate engine
while the Engine Start/Stop button is
in the ON position.
Maintaining Hybrid mode to pro-
tect engine
(Plug-in hybrid vehicle)
This message is displayed when the
[HEV] button is pressed but it is
impossible to switch from the HEV
mode to EV mode due to engine
lubrication.
Exit SPORT mode to switch to
EV (Plug-in hybrid vehicle)
This message is displayed when
[HEV] button is pressed but it is
impossible to switch from the HEV
mode to EV mode because the
SPORT mode is engaged.OAEPHQ049838LOAEPHQ049839L
OAEPHQ049840L

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When the Hybrid Vehicle Shuts
Off
When the high voltage battery is dis-
charged, when the 12-volt battery is
discharged, or when the fuel tank is
empty, the hybrid system may not
operate while driving. When the
Hybrid system does not operate, do
the followings:
1. Gradually reduce the vehicle
speed. Pull over your vehicle off
the road in a safe area.
2. Locate the shift lever in P (Park).
3. Turn ON the hazard warning flash-
ers.
4. Turn OFF the vehicle, and try to
start the hybrid system again,
while depressing the brake pedal
and turning on the Engine
Start/Stop button.5. When the hybrid system still does
not operate, refer to ''If the 12 Volt
Battery Is Discharged'' in chapter 6.
Before jump-starting the vehicle,
check the fuel level and the exact
procedure to jump start. For fur-
ther details, refer to ''If the 12 Volt
Battery Is Discharged'' in the
chapter 6. When the fuel level is
low, do not attempt to drive the
vehicle only with the battery
power. The high voltage battery
may be discharged, and the hybrid
system will turn OFF. When a submersion in water
occurs:
When your vehicle is flooded in
water, a high-voltage battery
may cause shock or fires. Thus,
turn the hybrid system OFF, take
the key in your possession and
escape to a safe place. Never
attempt physical contact with
your flooded vehicle.
Immediately contact an emer-
gency response team and
advise them that a hybrid vehi-
cle is involved.
WARNING

I-4
Engine oil ........................................................................7-16
Checking the Engine Oil and Filter ...........................7-17
Checking the Engine Oil Level ..................................7-16
Engine Start/Stop Button ..................................................5-6
Explanation of scheduled maintenance items.................7-14
Exterior features..............................................................3-49
Fuel Filler Door (Hybrid vehicle) ..............................3-52
Fuel Filler Door (Plug-in hybrid vehicle) ..................3-55
Hood ...........................................................................3-49
Liftgate .......................................................................3-50
Forward Collision-Avoidance Assist (FCA)
- front view camera only ..............................................5-47
FCA sensor (Front view camera) ...............................5-52
FCA Warning Message and Brake Control ................5-49
Limitations of the System ..........................................5-55
System malfunction ....................................................5-53
System Setting and Activation ...................................5-47
Forward Collision-Avoidance Assist (FCA)
- sensor fusion...............................................................5-61
FCA Sensor (Front view camera+ Front radar) .........5-66
FCA Warning Message and Brake control.................5-63
Limitations of the System ..........................................5-70
System Malfunction ...................................................5-68
System Setting and Activation ...................................5-61
Forward/Reverse Parking Distance Warning (PDW) ..3-138
Self-Diagnosis ..........................................................3-142Fuses ...............................................................................7-49
Engine Compartment Panel Fuse Replacement .........7-52
Fuse/Relay Panel Description ....................................7-53
Instrument Panel Fuse Replacement ..........................7-50
Hazard warning flasher .....................................................6-2
Highway Driving Assist (HDA) ...................................5-141
System Setting and Operation ..................................5-141
Warning Message .....................................................5-144
Hybrid Starter & Generator (HSG) belt .........................7-21
Checking the Hybrid Starter & Generator (HSG)
Belt ...........................................................................7-21
Hybrid Vehicle........................................................................
Engine Compartment....................................................1-6
Exterior Overview ........................................................1-2
Instrument Panel Overview ..........................................1-5
Interior Overview .........................................................1-4
If an accident occurs .......................................................6-44
If the 12 volt Battery is discharged (Hybrid Vehicle) ......6-5
Before Jump Starting....................................................6-5
Jump Starting................................................................6-6
If the 12 volt battery is discharged
(Plug-In Hybrid Vehicle) ................................................6-9
Jump Starting................................................................6-9
Index
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I-5
If the engine overheats ....................................................6-12
If the vehicle will not Start ...............................................6-3
If you have a flat tire ......................................................6-20
With Spare Tire ..........................................................6-20
With Tire Mobility Kit (TMK) - Type A ...................6-25
With Tire Mobility Kit (TMK) - Type B ...................6-33
Important 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 Engine Stalls While Driving...............................6-2
If the Vehicle Stalls at a Crossroad or Crossing ..........6-2
If You Have a Flat Tire While Driving ........................6-3
Infotainment system..........................................................4-2
Antenna ........................................................................4-2
Audio/Video/Navigation system ..................................4-5
Bluetooth
®Wireless Technology Hands-Free..............4-4
Steering Wheel Audio Controls....................................4-3
USB and iPod
®port .....................................................4-2
Instrument cluster ...........................................................3-58
Gauges and Meters .....................................................3-61
Instrument Cluster Control .........................................3-60
LCD Display Messages ..............................................3-80
Warning and Indicator Lights.....................................3-67Interior features ............................................................3-162
Cargo Security Screen ..............................................3-168
Clock ........................................................................3-166
Clothes Hanger .........................................................3-167
Cup Holder ...............................................................3-162
Floor Mat Anchor(s) .................................................3-168
Power Outlet ............................................................3-163
Sunvisor ....................................................................3-163
Wireless Cellular Phone Charging System ..............3-164
Lane Following Assist (LFA) ......................................5-135
LFA operation ...........................................................5-136
Limitations of the system .........................................5-139
Warning message......................................................5-137
Lane Keeping Assist (LKA) ...........................................5-77
Limitations of the System ..........................................5-83
LKA operation ............................................................5-79
LKA system function change .....................................5-85
Warning light and message ........................................5-82
LCD Display ..................................................................3-96
LCD Display Control .................................................3-96
LCD Display Modes ..................................................3-97
Light bulbs ......................................................................7-55
Daytime Running Light (DRL) ..................................7-60
Headlamp, Parking Lamp, Turn Signal Lamp and
Side marker ..............................................................7-55
High Mounted Stop Lamp Replacement....................7-64
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