2021 HYUNDAI SONATA key

Convenient Features
5-18
Set up main vehicle
You can manage multiple digital keys
from the Digital key app. From the list of
digital keys you own, select the vehicle
you want to make your priority vehicle.
For more information, please refer to
the ‘Tutorial’ on your Digital key app.
ODN8059237
[1] : Door handle authentication pad
NFC door lock/unlock
You should contact your smartphone’s
NFC antenna(backside of phone) to door
handle authentication pad (1) marked
position near by the lock button) of
driver’s (or front passenger’s) outside
door for 2 seconds to lock or unlock the
doors. If the Two Press Unlock feature
is applied (press twice for unlocking),
driver’s seat door will be unlocked by
contacting the digital key (smartphone
key). In this state, if you contact one
more time within 4 seconds, all the doors
unlock. Please make sure the doors are
locked. If you do not open any of the
doors after unlocking, it automatically
re-lock after 30 seconds.
Note that you cannot lock your vehicle
when you contact NFC antenna in the
smartphone to the door handle pad if
any of the following occurs:
• The Proximity / Smart Key is in the
vehicle.
• The POWER button is in ACC or ON
position.
• Any of the doors, hood and trunk is
opened.
If the smartphone digital key does not
work, please remove the smartphone
more than 4 inches (0.1 m) from the door
handle authentication pad and try it
again.

05
5-19
After unlock the door or start up the
vehicle with digital key, even though
the driver tries to lock the doors by the
central door lock switch, the door lock
will be once locked and immediately
released at the moment of door closed.
Start-up with Digital Key
1.
A
fter placing your registered
smartphone onto the interior
authentication pad (wireless charger),
step on the brake and press the
Engine Start/Stop button.
2.

A
fter start-up, the digital key data
will be automatically updated. It
takes 5 to 20 seconds, after that,
the smartphone can be go into the
wireless charging mode automatically.
Once the engine started, you can
remove the smartphone from the pad.
ODN8059267
[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.

Convenient Features
5-20
Remote Control with Digital Key
To use the remote control function with
your android smartphone, Bluetooth
must be turned on.
Remote Control Connection with Digital
Key
1.
Open Hyundai digital k
ey application
on the smartphone. Select the
vehicle to activate the remote control
function as a main vehicle.
2.

Appr
oach with the activated
smartphone app to your vehicle
and you can check whether the
connection is available. If it enables
your smartphone to connect, connect
with your vehicle by pressing the
connect button. The remote control
function is activated after completing
the process.
Remote Control Operation with Digital
Key
You can execute the remote control
operation including door lock/unlock,
panic on/off, remote start / remote
stop and trunk opening. The icon for
each function will be highlighted and
alarm/vibration also provided when the
operation is performed.
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. CAUTION
• If metallic window tint was applied
to your vehicle, it may cause
bad Bluetooth connection or
performance degradation of the
digital key.
• If multiple users operate the remote
control function simultaneously, the
connection between the digital key
and the vehicle might result in failed
commands. Please connect and
operate the remote control function
only the necessary user.
• When using the remote control
operation, the driver (the remote
control user) should leave the vehicle
after confirming the door lock (the
chime sounds once and the hazard
warning lights blink).
• The remote functions of the Digital
Key app enables the vehicle to be
controlled from a set distance. If
the digital key or the vehicle goes
beyond the operable distance, the
remote control function might be
disconnected or cancelled.
• If the digital key (smartphone) is
connected with the vehicle for the
remote control, the driver with the
key goes far away from the vehicle,
the function might not work.
• If the remote control operation
is executed where the mobile
connection is weak, Bluetooth
connection is poor due to several
Bluetooth devices or there is an
object such as metal or concrete, it
might be delayed or the operable
distance might decrease. 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
available, please use NFC function to
lock or unlock the doors.

05
5-21
Remote Start with Digital Key
• When the shift button of your vehicle
is in P (Park) and all of the doors
including trunk and hood is locked
and the vehicle is off, press the Door
Lock button in the Hyundai Digital
Key app then press the Remote Start
button within 4 seconds.
You can confirm the engine is on if the
hazard warning lights blinks two times
and the chime sounds.
• If you want to turn off the engine,
press Remote Engine Stop. Air
Conditioner / Heating system
maintains the same status as when
you last used the vehicle.
• Unless you put the registered digital
key(smartphone) on the interior
authentication pad (wireless charger)
when the remote start function is on,
the engine will turn off.
• If you do not get on the vehicle within
10 minutes after the engine turns on,
the vehicle will turn off.
For more information, refer to the Engine
Start/Stop button in chapter 6.
Vehicle information Display
The digital key application displays
the vehicle information such as
driving or door conditions through the
communication with the vehicle.
• How to check : Select the vehicle
what you want to check and touch
the vehicle image, then vehicle
information display page will be
shown.
• Contents : accumulated odometer,
latest fuel economy, driving range,
fuel remaining, tire pressure, doors
lock/unlock status and last data
updated time.
ÃDispla

yed vehicle date could be
differed from the current vehicle
condition.
à F

or more information, please refer to
the ‘Tutorial’ on your Digital key app. Smartphone change/App deletion
If you change your smartphone or delete
the Hyundai Digital Key App, please refer
to the following to set up your Digital
Key:
Smartphone Change/ Reset
If you change or reset the smartphone,
the registered digital key in your previous
smartphone may not be used. Please
refer to following procedure to use the
digital key.
1.

Ins
tall the digital key application and
log in.
2.

If y
ou are the owner, retry the Digital
key save process.
3.

If y
ou are the sharer, need to re-share
the key from owner.
App delete & reinstall/ Delete App data
You can re-download the digital key
from server in these cases as follow
procedure.
1.

R
einstall the application and log in.
2.

Input the PIN number f
or user
verification.
3.

If PIN is corr
ect, digital key data
will be re-downloaded to your
smartphone and you can use it
without any further registration or
sharing.
Smartphone operability with Digital Key
The digital key application may not
be available to old type smartphones.
Please check the available smartphone
models with your dealer. NFC antenna
position on the smartphone can be
confirmed on each smartphone’s manual
or contact to customer service center of
the smartphone manufacture.

Convenient 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.
CAUTION
• Hyundai digital key app on the
smartphone and card key may not
work if any of the following occurs:
-Hyundai digital k

ey app on the
smartphone is deleted. (Required
to reinstall the app)
- A

ccount log in information of
Hyundai digital key app is expired.
(Required to re-log in)
- When y

ou try to log in to another
smartphone instead of the
registered smartphone with same
user account.
- Smartphone r

ooting or app
hacking is detected.
- Smartphone ba

ttery or the vehicle
battery is discharged.
- Smartphone

’s screen is off or
locked.
- NF

C or Bluetooth is turned off on
the smartphone settings.
- Smartphone

’s mobile network
setting is off or airplane mode is
activated.
- A cr

edit card is overlapped in the
back of your smartphone or metal
or thick case is used.
- U

se the card key with insert it
into the wallet or card holder or
overlapping with other cards.

05
5-23
-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 nec essary functions of
the smartphone manufacturer are
operating. (General call, urgent
call, audio or NFC payment)
- Wir

eless earphone is operating.
(General call, urgent call or audio)
- The digital k

ey 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 I

f 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 I

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

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

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

C antenna position on the
smartphone can be confirmed
on each smartphone’s manual or
contact to customer service center
of the smartphone manufacture.
Digital key (Card key)
ODN8A059243
ODN8A059131
Digital key (Card key) save
1.

Ins
tall Hyundai digital key app in
main user’s smartphone and register
the digital key (smartphone). Please
refer to the registration method of the
digital key (smartphone).
2.

U
sing the [Pair Card Key] menu on
the digital key application, you can
activate the Card Key registration
mode.
à NF

C authentication : enter the NFC
authentication menu and contact
the smartphone on the outside door
handle.
à Blue

tooth authentication : enter the
Bluetooth authentication menu and
press the [OK] button for activation.
If you activate the registration mode,
you should complete the Card saving
process with in 5 minutes.
à If y

ou have not registered the digital
key (smartphone), please register the
digital key (card key) with two smart
keys.

Convenient Features
5-24
Ã
3.

R
egister the NFC card key on the
User’s Settings menu after turning on
the vehicle.
à With Na

vigation screen : From the
infotainment screen menu, go to
[Setup] - [Vehicle] - [Digital Key] -
[Card Key] then select the [Save] from
submenu.
à Without na

vigation screen : From
cluster menu, go to [Digital Key] -
[Card Key] and select [Save].
The [Save] button will be disabled if
the digital key (Card key) is already
saved.
Please refer to “Digital Key Delete” in
this manual and follow the digital key
delete procedure in your car before
Digital key save.
4.
Place the NF

C card key onto the
interior authentication pad (wireless
charger). The saving process will
begin automatically.
5.

If the k
ey is enrolled, the message
will be displayed on the infotainment
screen or instrument cluster.
• Once the card key registration mode
is activated, the process should be
completed within 5 minutes. After
then, you should reactivate once
again for registration.
• For the digital key(card key) saving,
the smart key(fob) must be exist inside
of vehicle.
• Once a Card key is registered, it
cannot be reuse onto another vehicle.
ODN8A059243
ODN8A059132
Digital key (Card key) deletion
You should have the smart key to delete
the digital key (card key) so please carry
around the key.
1.

Ge
t on the vehicle with the smart key.
2.

Dele
te the NFC card key on the User’s
Settings menu after turning on the
engine.
à With Na

vigation screen : From the
infotainment screen menu, go to
[Setup] - [Vehicle] - [Digital Key] -
[Card Key] then select the [Delete]
from submenu.
à Without na

vigation screen : From
cluster menu, go to [Digital Key] -
[Card Key] and select [Delete].
If there is no saved digital key(card key),
[Delete] menu will not be activated.

05
5-25
• To delete the saved digital key (card
key), the smart key must be exist
inside the vehicle.
• The deleted digital key (card key) can
be re-registered before registering a
new digital key (card key).
• If you try to register a new digital key
(card key), the previously registered
digital key (card key) cannot be used
again.
ODN8059237
[1] : Door handle authentication pad
NFC door lock/unlock
You should contact digital key (card key)
to door handle authentication pad (1,
marked position near by the lock button)
of driver’s (or front passenger’s) outside
door for 2 seconds to lock or unlock the
doors. If the Two Press Unlock feature
is applied (press twice for unlocking),
driver’s seat door will be unlocked by
contacting the digital key (card key). In
this state, if you contact one more time
within 4 seconds, all the doors unlock.
Inoperable condition
If you do not contact the digital key (card
key) to the center of the door handle
authentication pad accurately., it may
not work. In addition, if you overlap and
use the key with NFC-enabled cards such
as transportation card or credit card, it
does not work.
Note that if you try to lock your vehicle
with digital key (card key) in following
cases, the doors will not be locked and
chime will sound for 3 seconds.
• The Smart Key is in the vehicle.
• The POWER button is in ACC or ON
position.
• Any of the doors, hood and trunk are
open