2023 HYUNDAI TUCSON HYBRID ignition

Foreword/Starting your Hybrid/Plug-in hybrid vehicle1-20
„„AC ChargerAC Charger
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6. Connect the charging plug to the electric outlet at a AC charging station
to start charging.
„„Type AType A„„Type BType B
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7. Check if the charging indicator light of the high voltage battery
on the instrument cluster is turned
ON. Charging is not done when the
charging indicator lamp is OFF.
When the charging connector and
charging plug are not connected
properly, reconnect the charging
cable to charge.
Information
• Even though charging is possible with
the ignition switch in the ON/START
position, for your safety, start charging
when the ignition switch is in the
LOCK/OFF position and the vehicle
shifted to P (Park). After charging
has started, you can use electrical
components such as the radio by
placing the ignition switch in the ACC
or ON position.
• During AC charging, the radio
reception may be bad.
• Moving the shift button from P (Park)
to R (Reverse)/N(Neutral)/D (Drive)
stops the charging process.
To restart the charging process, move
the shift button to P (Park), place the
ignition switch to the LOCK/OFF
position, and disconnect the charging
cable. Then, connect the charging cable.

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1-39
Information
Charging connector AUTO/LOCK mode
The charging connector is locked in the
inlet at a different period according to
which mode is selected.
• LOCK mode : The connector locks
when the charging connector is plugged
into the charging inlet.
• AUTO mode : The connector locks
when charging starts.
For more details, refer to “Charging
Connector AUTO/ LOCK Mode” in this
chapter.
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8. Charging starts automatically (charging lamp blinks).
„„Type AType A„„Type BType B
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9. Check if the charging indicator light of the high voltage battery
on the instrument cluster is turned
ON. Charging is not done when the
charging indicator lamp is OFF.
When the charging connector is not
connected properly, reconnect the
charging cable to charge it again.
Information
• Even though charging is possible with
the ignition switch in the ON/START
position, for your safety, start charging
when the ignition switch is in the
LOCK/OFF position and the vehicle
shifted to P (Park).
After charging has started, you can use
electrical components such as the radio
by placing the ignition switch in ACC
or ON position.
• Moving the shift button from P (Park)
to R (Reverse)/N(Neutral)/D (Drive)
stops the charging process.
To restart the charging process, move
the shift button to P (Park), place the
ignition switch to the LOCK/OFF
position, and disconnect the charging
cable. Then, connect the charging cable.

Foreword/Starting your Hybrid/Plug-in hybrid vehicle1-54
Infotainment system Screen (Plug-in
hybrid vehicle) (if equipped)
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Press [PHEV] on the [Home] screen or
the [All menus] screen and the menus
related to plug-in hybrid ([ECO driving],
[Energy information], [EV range], [Set
charging times], [Charging stations],
[Petrol stations]) are displayed.
For more information, please refer to
the Infotainment System Manual that
was separately supplied with your
vehicle.
Aux. Battery Saver+ (Plug-in
hybrid vehicle)
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 vehicle is OFF with all doors,
hood and liftgate closed, the Aux. Battery
Saver+ periodically activates according
to the auxiliary battery status.
• Automatic Mode:
When the ignition switch is in the ON
position with the charging connector
plugged in, the function activates
according to the auxiliary battery status
to prevent overdischarge of the auxiliary
battery.

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1-55
Information
• The Aux. Battery Saver+ activates
maximum of 20 minutes. If the Aux.
Battery Saver+ function activates
more than 10 times consecutively, in
the Automatic Mode the function will
stop activating, judging that there is
a problem with the auxiliary battery.
In this case, drive the vehicle for some
period of time. The function will start
activating if the auxiliary battery
returns to normal.
• 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 devices are used.
• If the Aux. Battery Saver+ function was
activated, the high voltage battery level
may have decreased.
System Setting
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The driver can activate the Aux. Battery
Saver+ function by placing the ignition
switch to the ON position and by
selecting:
‘User Settings
Ÿ Other
Ÿ Aux. Battery
Saver+’
The Aux. Battery Saver+ function
deactivates, when the driver cancels the
system setting.
WARNING
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When the function is activating, the
charging indicator lamp will be on in
red and high voltage electricity will be
flowing in the vehicle. Do not touch
the high voltage electric wire (orange),
connector, and all electric components
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 performance
and lead to an accident.

Foreword/Starting your Hybrid/Plug-in hybrid vehicle1-56
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.
When the ready indicator goes OFF,
there is a problem with the system. If this
occurs, have your vehicle inspected by
an authorized HYUNDAI dealer.
EV mode indicator
This indicator illuminates:
When the vehicle is driven by the electric
mo
tor.
Charging Cable Connection
Indicator (Plug-in hybrid
vehicle)
This indicator illuminates in red when the
charging cable is connected.
Service warning light
This warning light illuminates:
• When you set the ignition switch or the E
ngine Start/Stop button to the
ON position.

- The service warning light illuminates
for approximately 3 seconds and
then turns off when all checks have
been performed.
• 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 the vehicle inspected
by an authorized HYUNDAI dealer.
Regenerative brake warning
light
(yellow)
This warning light illuminates:
When the regenerative brake does not
oper
ate and the brake does not perform
well. This causes the Brake Warning
light (red) and Regenerative Brake
Warning Light (yellow) to illuminate
simultaneously.
If this occurs, drive safely and have
your vehicle inspected by an authorized
HYUNDAI dealer. The operation of the
brake pedal may be more difficult than
normal and the braking distance may
increase.

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1-59
Refill inverter coolant
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This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Park with engine On to charge
battery
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This message is displayed when the
hybrid battery power (SOC) level is low.
If this occurs, park the vehicle in a safe
location and wait until the hybrid battery
is charged.
Start engine to avoid battery
discharge
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This message is displayed to inform the
driver the 12V battery may be discharged
if the ignition switch is in ON position
(without the
indicator ON).
Set the vehicle to the ready (
) mode
to prevent the 12V battery from being
discharged.

Foreword/Starting your Hybrid/Plug-in hybrid vehicle1-64
Low/High System Temp. Switching
to Hybrid mode (Plug-in hybrid
vehicle)
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This message is displayed when the
temperature of the high-voltage (hybrid)
battery is too low or high. This warning
message is to protect the battery and the
hybrid system.
Switching to Hybrid mode to
lubricate engine (Plug-in hybrid
vehicle)
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This message is displayed when the
vehicle is automatically switched to the
HEV mode to lubricate engine while the
ignition switch is in the ON position.
Maintaining Hybrid mode to protect
engine (Plug-in hybrid vehicle)
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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)
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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.

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WARNING
If a fire occurs:
• If a small scale fire occurs, use a fire
extinguisher (ABC, BC) that is meant
for electrical fires.
If it is impossible to extinguish
the fire in the early stage, remain
a safe distance from the vehicle
and immediately call your local
fire emergency responders. Also,
advise them that a hybrid vehicle is
involved.
If the fire spreads to the high voltage
battery, large amount of water is
needed to put out the fire.
Using small amount of water or
fire extinguishers not meant for
electrical fires could cause serious
injury or death from electrical
shocks.
• Upon witnessing any sparks, gases,
flames, or fuel leakage of your
vehicle, immediately call emergency
services or contact an authorized
HYUNDAI dealer. Also, advise them
that a hybrid vehicle is involved.
WARNING
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 authorized
HYUNDAI dealer and advise them that a
hybrid vehicle is involved.
When the Hybrid Vehicle Shuts
Off
When the high voltage battery or 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
following:
1. Gradually reduce the vehicle speed.
Pull over your vehicle off the road in a
safe area.
2. Make sure the shift button is in P (Park).
3. Turn ON the hazard warning flashers.
4. Turn OFF the vehicle, and try to start the hybrid system again, while
depressing the brake pedal and
turning on the ignition switch.
5. When the hybrid system still does not operate, refer to “Jump starting”
section in chapter 8.
Before jump-starting the vehicle,
check the fuel level and the exact
procedure to jump start. For further
details, refer to “Jump starting”
section in chapter 8. 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.