2023 HYUNDAI IONIQ 5 key battery

01
1-15
Energy information
Select ‘EV → Vehicle image’ on the
screen.
You can check battery discharging level.
How to connect
Outdoor
ONE1Q011063
1. Open the cover of the V2L connector.
2. Close the cover after connecting home appliances and electronical
products to the power outlet.
3. Connect the V2L connector to the charging inlet on the vehicle.
4. Press the switch (1) of the V2L
connector and check whether the
light (2) is on or off. The light (2) may
not turn on normally when:
- See the battery discharging limit for high voltage battery for driving
in ‘Electricity Use’ menu on the
screen. If it is higher than the
current amounts of high voltage
battery, the light (2) does not turn on.
- Check whether the light of V2L connector or indoor power outlet
turns on or not. - If the warning message for V2L
appears on the cluster, refer to the
message entirely.
- If V2L does not operate previously when you connects another home
appliances, have your vehicle
inspected by an authorized
HYUNDAI dealer.
5. Press the switch (1) to turn off the light (2) the the V2L will be off. You can
disconnect the V2 connector when
the light (2) turns off or the charging
connecter lock is deactivated pressing
the door unlock button on the smart
key.
Information
Please connect the V2L connector to the
charging inlet within 60 seconds after the
charging cover opens. To prevent theft
after connecting, it is changed to auto lock automatically so that it is impossible to separate.
When using V2L, cancel the scheduled air
conditioning setting. V2L operation may
be blocked by scheduled air conditioning operation conditions.
Indoor
ONE1051084

Foreword / Electric Vehicle System Overview
1-28
Electric Charging Door
ONE1Q011040The electric charging door will open and
close as follows.
CHarging eleCtriC VeHiCle
Methods Open Close
Touch and Push
ONE1Q011064ONE1Q011067
Smart Key
ONE1Q011066
Voice Recognition
WNE1-208
Information
• The charging door automatically closes when:
- The charging connector is disconnected
- The charging procedure has not done for a certain amount of time while the
charging door is opened.
- The gear is in D (drive), N (neutral), or R (Reverse).
• After replacing battery (12 volt), open and close the charging door once to check that
the charging door automatic opening mechanism is functioning properly.
• When replacing the charging door, be sure to disconnect the vehicle-side wiring
connector of the charging door module and reconnect it to ensure normal operation of
the charging door.

4
LCD Display Messages ............................................................................................... 4-19
Shift to P ................................................................................................................... 4-19
Low key battery ....................................................................................................... 4-19
Press START button while turning wheel ...............................................................4-19
Press brake pedal to start vehicle .......................................................................... 4-19
Key not in vehicle .................................................................................................... 4-20
Key not detected ...................................................................................................... 4-20
Press START button again ...................................................................................... 4-20
Press START button with key .................................................................................. 4-20
Check BRAKE SWITCH fuse ................................................................................... 4-20
Shift to P or N to start vehicle ................................................................................. 4-20
Check smart key system .......................................................................................... 4-20
Door, Hood, Liftgate open indicator ........................................................................ 4-21
Low tire pressure ...................................................................................................... 4-21
Lights ......................................................................................................................... 4-21
Wiper ........................................................................................................................ 4-22
Low washer fluid ...................................................................................................... 4-22
Check headlight ....................................................................................................... 4-22
Check turn signal ..................................................................................................... 4-22
Check headlamp LED .............................................................................................. 4-22
Shift to P to charge/Shift to P to start charging ....................................................4-23
Remaining time ........................................................................................................ 4-23
Unplug vehicle to start ............................................................................................ 4-23
Charging door open ................................................................................................. 4-23
Charging stopped. Check the AC/DC charger .......................................................4-24
Charging stopped. Check the cable connection ...................................................4-24
Check regenerative brakes...................................................................................... 4-25
Low EV battery ......................................................................................................... 4-25
Charge immediately. Power limited ....................................................................... 4-25
12V battery discharging due to additional electrical devices ..............................4-26
Power limited due to low EV battery temperature. Charge battery .....................4-26
EV battery overheated! Stop vehicle ...................................................................... 4-27
Power limited ........................................................................................................... 4-27
Stop vehicle and check power supply .................................................................... 4-28
Check active air flap system ................................................................................... 4-28
Check virtual engine sound system........................................................................4-28
Check electric vehicle system ................................................................................ 4-28

04
4-19
High Beam Assist indicator
light (if equipped)
This indicator light illuminates:
When the high-beam is on with the light
switch in the AUTO position.
If your vehicle detects oncoming or
preceding vehicles, High Beam Assist
will switch the high beam to low beam
automatically.
For more details, refer to “High Beam
Assist (HBA)” section in chapter 5.
AUTO HOLD indicator light
This indicator light illuminates:
•
[White] When you activate Auto Hold
by pressing the AUTO HOLD switch.
• [Green] When you stop the vehicle
completely by depressing the brake
pedal with Auto Hold activated.
• [Yellow] Whenever there is a
malfunction with the Auto Hold function.
If this occurs, have the vehicle
inspected by an authorized HYUNDAI
dealer.
For more details, refer to “Electronic
Parking Brake (EPB)” section in chapter 6.
LCD Display Messages
Shift to P
This message is displayed if you try to
turn off the vehicle without the gear in
the P (Park) position.
If this occurs, the Start/Stop button turns
to the ACC position.
Low key battery
This message is displayed if the battery
of the smart key is discharged while
changing the Start/Stop button to the OFF position.
Press START button while turning wheel (if equipped)
This message is displayed if the steering
wheel does not unlock normally when
the Start/Stop button is pressed.
You should press the Start/Stop button
while turning the steering wheel right
and left.
Press brake pedal to start vehicle
This message is displayed if the Start/
Stop button changes to the ACC position
twice by pressing the button repeatedly
without depressing the brake pedal.
You can start the vehicle by depressing
the brake pedal and then pressing the
Start/Stop button.

Convenience Features
5-12
Smart key precautions
The smart key may not work if any of the
following occur: •
The smart key is close to a radio
transmitter such as a radio station or
an airport which can interfere with
normal operation of the transmitter.
• The smart key is near a mobile two
way radio system or a mobile phone.
• Another vehicle’s smart key is being
operated close to your vehicle.
If the smart key does not work correctly, open and close the door with the
mechanical key. If you have a problem
with the smart key, contact an authorized
HYUNDAI dealer.
If the smart key is in close proximity to
your mobile phone, the signal could be
blocked by your mobile phone’s normal
operational signals. This is specifically
relevant when the phone is active such
as making and receiving calls, text
messaging, and/or sending/receiving
emails. When possible, avoid keeping the
smart key and your mobile phone in the
same location such as a pants or jacket
pocket in order to avoid interference
between the two devices.
Information
Changes or modifications not expressly
approved by the party responsible
for compliance could void the user’s authority to operate the equipment. If the keyless entry system is inoperative due
to changes or modifications not expressly
approved by the party responsible for
compliance, it will not be covered by your
manufacturer’s vehicle warranty.
Information
This device complies with Part 15 of the FCC rules.
Operation is subject to the following three conditions: 1. This device may not cause harmful
interference, and
2. This device must accept any
interference received, including
interference that may cause undesired operation.
3. Changes or modifications not expressly
approved by the party responsible
for compliance could void the user’s authority to operate the device.
NOTICE
• Keep the smart key away from
electromagnetic materials that
blocks electromagnetic waves to the
key surface.
• Always have the smart key with
you when leaving the vehicle. If the
smart key is left near the vehicle, the
vehicle battery may be discharged.

05
5-13
Battery replacement
If the Smart Key is not working properly,
try replacing the battery with a new one.
Battery Type: CR2032
To replace the battery:
OFE048009
If the Smart Key is not working properly,
try replacing the battery with a new one.
ODN8059266
Battery Type: CR2032
To replace the battery:
1. Remove the mechanical key.
2. Use a slim tool to pry open the rear cover of the smart key.
3. Remove the old battery and insert the new battery. Make sure the battery
position is correct.
4. Reinstall the rear cover of the smart
key.
If you suspect your smart key might have
sustained some damage, or you feel
your smart key is not working correctly,
contact an authorized HYUNDAI dealer.
Information
An inappropriately disposed battery can be harmful to
the environment and human health. Dispose of the battery
according to your local law(s) or
regulations.

05
5-19
ONE1051005
[A] : Wireless Charging Pad (In-vehicle Authentication Pad)
Information
After reconnecting the vehicle battery
power supply or charging the battery, it
may take time to operate due to remote
renewal of security information. When you
lock or unlock the door with NFC, please
contact and hold your smartphone on the
door handle until it works.
The solution allows for offline mode usage
when the mobile data connection of the
smartphone is weak. When you are in the
place where the mobile data connection
of your smartphone is available and
place your smartphone on the interior
authentication pad (wireless charger) and
start up your vehicle or contact the digital
key on the door handle to lock or unlock
the door, the remote renewal of security
information starts automatically. Even
though the engine is turned on, please
wait until the remote renewal process
is completed and wireless charger is converted to charging mode.
CAUTION
The engine can be turned on if the
registered smartphone or card key is
placed on the interior authentication
pad (wireless charger). Do not leave
unsupervised children or people who
are not aware of the system since it
can result in serious injury or death.
Always have the registered digital key
(smartphone) or card key with you to
prevent vehicle theft when leaving the
vehicle.
For more information, refer to the
Engine Start/Stop button in chapter 6.

Convenience Features
5-22
CAUTION
• Do not leave the registered digital
key (smartphone) and card key in
your vehicle. Please carry around
your keys all the times.
• If you happen to lose your digital
key (smartphone) or card key
registered as a main user’s key, you
should immediately delete the key
on the vehicle’s key menu. For more
information, refer to the Digital Key
Deletion in this chapter.
• If you registered your digital key
(smartphone) or card key in the
vehicle, a message appears on the
instrument cluster and let you know
the key is registered.
(Message: Digital key(s) active.)
• If you buy a used vehicle, you should
confirm the message and delete the
registered smartphone key and card
key. In this case, you should carry
your smart key.
• If you keep place the NFC card
of the digital key on the interior
authentication pad (wireless
charger) while driving, it may cause a
malfunction of the NFC card.
• You should remove your NFC card
of the digital key on the interior
authentication pad after turning on the engine.
• Hyundai digital key app may not
work properly when the NFC or
Bluetooth communication between
smartphone and car is not good. •
If the remote control operation
is executed where the mobile
connection is weak, Bluetooth
connection is poor due to lots of
Bluetooth devices or there is an
object such as metal or concrete, it
might be delayed or the operable
distance might decrease. Especially,
you should not cover the smartphone
with your hand or place other
devices which can cause frequency
interference. It may result in poor
performance.
• If the remote control function is not
activated, please use NFC function to
lock or unlock the doors
• You should be careful not to
press the remote control button
on the digital key (smartphone)
accidentally.
• If the digital key (smartphone) is
discharged or defective or you
cannot use the digital key since the
vehicle battery is discharged, use the
inside door lock button to lock all of
the doors.