2023 HYUNDAI TUCSON HYBRID key battery

05
5-17
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. In this
case, when you lock or unlock the doors
using your smartphone Digital Key, it
may take a little longer for the vehicle to
authenticate. Hold your smartphone near
the NFC door handle sensor for a few
seconds or until you hear the door locks
actuate.
Note that if your vehicle is parked in an
area where cell coverage is weak, the
smartphone Digital Key can still be used on
for a limited number of times to unlock and
start your vehicle.
After starting your vehicle, it is
recommended to leave your smartphone
on the wireless charging pad until cell
phone service is stronger and digital key
authentication can occur.
Once authentication is complete, the
wireless charger will turn on (wireless
charging LED will illuminate).
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
children unattended in the vehicle
when using the smartphone Digital Key.
Serious injury or death can occur.
Do not leave anyone in the vehicle
without knowledge of the Digital Key
system when using the smartphone
Digital Key. 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.
Remote Features from Your Smartphone
with the Digital Key

App
To use the remote features from your
smartphone with the Digital K
ey app,
make sure Bluetooth is enabled.
Connecting Your Vehicle with Digital Key
1. Open the Hyundai Digital Key app on your smartphone and select your
vehicle within the app.
2. Approach your vehicle with your smartphone in hand. Be sure that
your phone is unlocked and the
app is running. If your vehicle does
not automatically connect, you can
press the connect button on the app.
Remote features on the Digital Key
app will be available as soon as your
vehicle is connected.
Remote Features Using Digital Key
You can perform several vehicle
functions using the Digital Key app,
including door lock/unlock, panic ON/
OFF, remote engine start/stop and
opening the liftgate. The icon for each
function is shown in the Digital Key
app, and will be highlighted when the
operation is performed. Haptic feedback
from your phone will occur when the
icon is selected.
Note that you cannot lock your vehicle
using the Hyundai digital key app if any
of the following occurs:
• The POWER button is in ACC or ON position.
• Any doors are open.
When the smartphone and the vehicle
are connected by the Bluetooth function
but the remote control command
cannot be received over 5 minutes, the
remote control connection is cancelled
automatically.

Convenience Features5-20
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.

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5-21
CAUTION
• Hyundai digital key app on the
smartphone and card key may not
work if any of the following occurs:
- Hyundai digital key app on the
smartphone is deleted. (Required
to reinstall the app)
- Account log in information of
Hyundai digital key app is expired.
(Required to re-log in)
- When you try to log in to another
smartphone instead of the
registered smartphone with same
user account.
- Smartphone rooting or app
hacking is detected.
- Smartphone battery or the vehicle
battery is discharged.
- Smartphone’s screen is off or
locked.
- NFC or Bluetooth is turned off on
the smartphone settings.
- Smartphone’s mobile network
setting is off or airplane mode is
activated.
- A credit card is overlapped in the
back of your smartphone or metal
or thick case is used.
- Use the card key with insert it
into the wallet or card holder or
overlapping with other cards.
- If you use a smart phone cover that
uses wireless communication or is
made of metal, the digital key NFC
function may not work properly.
Remove the smart phone cover
before using the digital key NFC
function.
• The vehicle may not be controlled by
the smartphone if any of the following
occurs:
-Basic and necessary functions of
the smartphone manufacturer are
operating. (General call, urgent
call, audio or NFC payment)
- Wireless earphone is operating.
(General call, urgent call or audio)
- The digital key app function such
as basic setting or app launching
is limited by prior policy according
to the manufacturer while using a
smartphone produced by domestic
and foreign manufactures.

à If you change the smartphone
number, you should modify the user
account information on the HYUNDAI
customer web site to use the digital
key app.

à If the vehicle owner changes
the smartphone device, the new
smartphone should be registered in
the car after deleting the registered
digital key(smartphone).

à If a sharer changes or reset the
smartphone, the key should be re-
shared from owner.

à Some of the old smartphone may
not work properly. Please check the
available smartphone models with
your dealer.

à NFC antenna position on the
smartphone can be confirmed
on each smartphone’s manual or
contact to customer service center
of the smartphone manufacture.

Convenience Features5-32
WARNING
• The doors should always be fully
closed and locked while the
vehicle is in motion. If the doors
are unlocked, the risk of being
thrown from the vehicle in a crash is
increased.
• Do not pull the inner door handle of
the driver’s or passenger’s door while
the vehicle is moving.
WARNING
Do not leave the elderly, children or
animals unattended in your vehicle. An
enclosed vehicle can become extremely
hot, causing death or serious injury
to the elderly, unattended children
or animals who cannot escape from
the vehicle. Children might operate
features of the vehicle that could injure
them, or they could encounter other
harm, possibly from someone gaining
entry to the vehicle.
WARNING
Always secure your vehicle.
Leaving your vehicle unlocked increases
the potential risk to you or others from
someone hiding in your vehicle.
To secure your vehicle, while
depressing the brake, shift the gear
to the P (Park) position, engage the
parking brake, and press the Engine
Start/Stop button to the OFF position,
close all windows, lock all doors, and
always take the key with you.
CAUTION
Opening a door when something is
approaching may cause damage or
injury. Be careful when opening doors
and watch for vehicles, motorcycles,
bicycles or pedestrians approaching the
vehicle in the path of the door.
WARNING
Do not remain in your vehicle for long
periods of time during inclement
weather or in extreme temperature
conditions (cold or hot). Doing so may
risk possible injury or even death. Do
not lock the vehicle from the outside
when someone is in the vehicle.
In case of an emergency
ONX4050074ONX4050074
If the electrical power door lock switch
is not operating (for example, dead car
battery) the only way to lock the door(s)
is with the mechanical key from the
outside key hole.
Doors without an outside key hole can be
locked as follows:
1. Open the door.
2. Insert the key into the emergency
door lock hole and turn the key
horizontally to lock.
3. Close the door securely.
Information
If the electrical power to door lock switch
is not operating (ex. dead car battery) and
the liftgate is closed, you will not be able to
open the liftgate until power is restored.

Convenience Features5-74
Resetting the power liftgate
In some circumstances resetting the
power liftgate operation may need to
be performed. Some instances where
resetting the power liftgate may be
required include:
• When the 12-volt battery is recharged
• When the 12-volt battery is reinstalled after removal or replacement (for
Plug-in Hybrid vehicle)
• When the related fuse is reinstalled after removal or replacement
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1. With the engine off or running, put the gear in P (Park).
2. Press the power liftgate open/close inner button (B) and outer button (A)
simultaneously until a chime sounds.
3. Slowly close the liftgate manually.
4. Press the power liftgate open/close outer button. The power liftgate will
open with a chime sound.
Wait until the liftgate fully opens to
complete resetting. If the liftgate
stops before it is fully open, resetting
cannot be completed.
Information
If the power liftgate does not operate
properly after the above procedure, have
the system inspected by an authorized
HYUNDAI dealer.
Emergency liftgate safety release
ONX4E050059RONX4E050059R
To unlock and open the liftgate manually
from inside the luggage compartment,
perform the following procedure:
1. Insert a long, flat object, such as a key into the opening at the bottom of the
liftgate.
2. Slide the latch in the direction of the arrow to unlock the liftgate.
3. Push the liftgate to open.
WARNING
• For emergencies, be fully aware
of the location of the emergency
liftgate safety release latch in the
vehicle and how to open the liftgate
if you are accidentally locked in the
luggage compartment.
• No one, including animals, should
be allowed to occupy the luggage
compartment of the vehicle at any
time. The luggage compartment is a
very dangerous location in the event
of an accident.
• Use the release latch for
emergencies only. Use extreme
caution, especially while the vehicle
is in motion.

05
5-87
Headlight delay function
If you place the ignition switch to the
ACC position or the OFF position with
the headlights ON, the headlights (and/
or position lamps) remain on for about
5 minutes. However, if the driver’s door
is opened and closed, the headlights
are turned off after 15 seconds. Also,
with the vehicle off if the driver’s door is
opened and closed, the headlights (and/
or position lamps) are turned off after 15
seconds.
The headlights (and/or position lamps)
can be turned off by pressing the lock
button on the smart key twice or turning
the headlight switch to the OFF or AUTO
position.
You can enable the headlight delay
function by selecting ‘Setup
Ÿ User
Settings
Ÿ Lights
Ÿ Headlight Delay.
NOTICE
If the driver exits the vehicle through
another door besides the driver
door, the battery saver function
does not operate and the headlight
delay function does not turn OFF
automatically.
This may cause the battery to
discharge. To avoid battery discharge,
turn OFF the headlights manually from
the headlight switch before exiting the
vehicle.

05
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INTERIOR LIGHTS
WARNING
Do not use the interior lights when
driving in the dark. The interior lights
may obscure your view and cause an
accident.
NOTICE
Do not use the interior lights for
extended periods when the vehicle is
turned off or the battery will discharge.
Interior Lamp AUTO OFF
The interior lamps will automatically go
off approximately 10 minutes after the
vehicle is turned off and the doors are
closed. If a door is opened, the lamp
will go off 40 minutes after the vehicle
is turned off. If the doors are locked by
the smart key and the vehicle enters the
armed stage of the theft alarm system,
the lamps will go off five seconds later.
Front lamps
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Front room lamp (1) :
Press the button to turn ON the room
lamp f
or the front/rear seats.
Front Door Lamp (2) (
):
The front or rear room lamps come on
when the fr
ont or rear doors are opened
if the engine is running or not. When
doors are unlocked by the remote key or
smart key, the front and rear lamps come
on for approximately 30 seconds as long
as any door is not opened. The front and
rear room lamps go out gradually after
approximately 30 seconds when the
door is closed. However, if the Engine
Start/Stop button is in the ON position
or all doors are locked, the front and rear
lamps will turn off. If a door is opened
with the Engine Start/Stop button in the
ACC position or the OFF position, the
front and rear lamps stay on for about 20
minutes.
Front Map Lamp (3):
Press either lenses to turn the map lamp
on or o
ff. This light produces a spot
beam for convenient use as a map lamp
at night or as a personal lamp for the
driver and the front passenger.

Driving Your Vehicle6-8
NOTICE
To prevent damage to the vehicle:
Do not press the Engine Start/Stop
button for more than 10 seconds except
when the stop lamp fuse is blown.
When the stop lamp fuse is blown,
you cannot normally start the hybrid
system. Replace the fuse with a new
one. If you are not able to replace
the fuse, you can start the vehicle by
pressing and holding the Engine Start/
Stop button for 10 seconds with the
Engine Start/Stop button in the ACC
position.
For your safety always depress the
brake pedal before starting the vehicle.
Emergency starting
ONX4060002
If the smart key battery is weak or the
smart key does not work correctly, you
can start the vehicle by pressing the
Engine Start/Stop button with the smart
key in the direction of the picture above.
Turning off the engine
1. Stop the vehicle and depress the brake pedal fully.
2. Make sure the shift button is in P(Park).
3. Press the Engine Start/Stop button to the OFF position and apply the
parking brake.
Auto shut-off system (if equipped)
To prevent accidents caused by carbon
dioxide poisoning, the engine is turned
off automatically 60 minutes later when
the following conditions are satisfied.
The timer appears on the instrument
cluster 30 minutes before it turns off
automatically.
Operating conditions

[The driver does not fasten a seat belt

[ No one in the passenger's seat

[ Stop the vehicle and the speed is
under 1.86mph and the gear shift is
in P

[ While the brake or accelerator is not
working

[ When Infotainment system update is
not performing
Cluster timer reset conditions

[ Release the accelerator or brake after
completing operation

[ Press the OK button on the steering
wheel while the timer appears on the
instrument cluster
Off conditions

[ The driver fastened the seat belt

[ A passenger is in the pasenger's seat

[ Driving over 1.86mph

[ Shifting the gear in R, N or D
CAUTION
Please do not leave a passenger or a pet
in the vehicle since the air conditioning
system stops when the engine is off.