
Convenient Features5-16
Digital key (smartphone)
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Hyundai Digital Key (Smartphone)
Pairing
1. Turn the vehicle on with the Smart key and mak
e sure to keep the smart key
inside the vehicle during digital key
registration.
2. Register your Digital key from the vehicle user setting menu as follows.
With Navigation screen :
From the infotainment screen menu,
go to [Setup] - [Vehicle] - [Digital Key]
- [Smart Phone Key] then select the
[Save] from submenu.
Without navigation screen :
From cluster menu, go to [Digital Key]
- [Smart Phone Key] and select [Save].
Information
The [Save] button will be disabled if the
digital key (Smartphone 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.
Please refer to the ‘Tutorial’ on your
Digital key app and delete the previous
saved key in your smartphone before save.
3. Select the vehicle to save on your
Digital key application and activate
the save mode.
Save mode is available only on
the vehicle owner’s Digital key
application.
4. Place the backside of smartphone onto the wireless charging pad(in-
vehicle authentication pad).
The saving process will begin
automatically.
5. Once the digital key save is complete, a message will be shown on the
infotainment screen or cluster.
6. Remove the smartphone from the pad and complete the saving process.
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[A] : Wireless Charging Pad (In-vehicle Authentication
Pad)

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Hyundai Digital Key (Smartphone Key)
Deletion
1. Turn the vehicle on with the Smart k
ey and make sure to keep the smart
key inside the vehicle during delete
process.
2. Delete your Digital key from the vehicle user setting menu as follows.
With Navigation screen :
From the infotainment screen menu,
go to [Setup] - [Vehicle] - [Digital Key]
- [Smart Phone Key] then select the
[Delete] from submenu.
Without navigation screen :
From cluster menu, go to [Digital
Key] - [Smart Phone Key] and select
[Delete].
Information
The [Delete] button will be disabled if there
is no digital key (Smartphone key) saved. 3. Once the digital key delete is
complete, a message will be shown
on the infotainment screen or cluster.
4. Go to [Initialize Digital Key] menu on the digital key application and select
the vehicle to delete the digital key
information.
• Open the Hyundai Digital Key app → Menu → Initialize Digital Key
If the saved digital key information
in your car is deleted due to vehicle
maintenance, the digital key in your
smartphone should be deleted as well.
For more information, please refer to
the ‘Tutorial’ on your Digital key app.
CAUTION
• If the smartphone is removed
from the interior authentication
pad during enrollment, the saving
process will be cancelled.
• If the infotainment or instrument
cluster screen is changed during
enrollment, the saving process will
be cancelled.
• If the vehicle is turned off during
enrollment, the saving process will
be cancelled.
• If the gear is shifted, the saving
process will be cancelled.
• If you try to save the smartphone
which is not logged in with the
vehicle owner’s ID or if you try to
save the Card key, the saving process
will not begin.
• If the NFC setting on your
smartphone is off, the saving process
will not begin.
• If the smartphone screen is changed
to off or locked status, the saving
process will be cancelled.
• If there is no Smart key during the
save process, the saving process will
not begin.
![Hyundai Sonata 2020 Owners Manual Convenient Features5-24
3. Register the NFC card key on the User’s Settings menu after turning on
the vehicle.
With Navigation screen : From the
infotainment screen menu, go to
[Setup] - Hyundai Sonata 2020 Owners Manual Convenient Features5-24
3. Register the NFC card key on the User’s Settings menu after turning on
the vehicle.
With Navigation screen : From the
infotainment screen menu, go to
[Setup] -](/manual-img/35/16773/w960_16773-153.png)
Convenient Features5-24
3. Register the NFC card key on the User’s Settings menu after turning on
the vehicle.
With Navigation screen : From the
infotainment screen menu, go to
[Setup] - [Vehicle] - [Digital Key] -
[Card Key] then select the [Save] from
submenu.
Without navigation 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 NFC card key onto the interior authentication pad (wireless
charger). The saving process will
begin automatically.
5. If the key 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.
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Digital key (Card key) deletion
You should have the smart key to delete
the digital k
ey (card key) so please carry
around the key.
1. Get on the vehicle with the smart key.
2. Delete the NFC card key on the User’s Settings menu after turning on the
engine.
With Navigation screen : From the
infotainment screen menu, go to
[Setup] - [Vehicle] - [Digital Key] -
[Card Key] then select the [Delete]
from submenu.
Without navigation 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.

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Type AType A
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Type BType B
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Digital key application/cancellation
If you do not want to use the digital key
(
smartphone and card key), you can
disable the function temporarily. You
should have the smart key when you
change the settings
With Navigation screen :
From the infotainment screen menu,
go to [Setup] - [Vehicle] - [Digital Key]
- [Enable Digital Keys] (deselect)
Without navigation screen :
From cluster menu, go to [Digital Key]
- [Enable Digital Keys] (deselect)
Information
For the digital key disable, the smart key
must be exist inside the car. For the digital
key enable, the smart key does not need.
CAUTION
If you uncheck Enable digital keys, it is
impossible to lock or unlock the doors
or start up the vehicle with digital keys
such as smartphone and card key. If
you check Enable digital keys again, the
registered digital keys(smartphone and
card key) are available. Even though
you stop the digital key function, the
registered keys (smartphone and card
key) are not deleted.
Personalized profile and vehicle
settings
Connect the registered digital key with
personalized profile. Then in case you
lock or unlock the door with the digital
key NFC function or unlock the door
remotely by digital key application
Bluetooth connection, the vehicle
will play the personalized user profile
settings. Profile connection and
personalization are available for Driver 1
and Driver 2.

Convenient Features5-30
Vehicle personalization with digital key
The available personalization function in the vehicle is as follows.
System Personalization Item
USM HUD
P
osition adjustment of image, Information display
selection, Size and color of speedometer
Lamp Blink number of one-touch signal lamps
Cluster Information display on the cluster, Voice volume,
Welcome sound
Seat/Mirror Seat position, O/S mirror position, Easy Access
Intelligent driving posture assist (Smart IMS)
Door Automatic door lock/unlock
AVN Navigation
Preferred volume of the navigation system, Recent
destination
User preset My menu list settings, Radio preset
Phone
connectivity Bluetooth preferential connect
CarPlay/Android Auto/MirrorLink On/Off
Air conditioning Operating
condition Latest operation setup of the following functions:
Temperature, AUTO, air flow direction, air volume,
air conditioner, air intake control, SYNC, Front
windshield defroster, OFF
For more information of personalization, refer to the infotainment system manual.
CAUTION
If you leave the digital key after locking or unlocking the doors or starting up the
vehicle with the smart key, the doors can be locked by the central door lock. Please
carry around the digital key all the time.

Convenient Features5-40
Recalling Positions from Memory
1. Shift to P (Park) while the ignition switch is in the ON position.
2. Press the desired memory button (1 or 2). The system will beep once,
and then the driver’s seat position,
side view mirror position, instrument
panel illumination intensity and
head-up display height/brightness
will automatically adjust to the stored
positions.
3. “Settings 1 (or 2) applied” will appear on the cluster LCD display.
If your vehicle is equipped with
additional navigation, please refer to the
infotainment system manual separately
supplied.
Information
• While recalling the “1” memory
position, pressing the SET or 1 button
temporarily stops the adjustment of
the recalled memory position. Pressing
the 2 button recalls the “2” memory
position.
• While recalling the “2” memory
position, pressing the SET or 2 button
temporarily stops the adjustment of
the recalled memory position. Pressing
the 1 button recalls the “1” memory
position.
• While recalling the stored positions,
pressing one of the control buttons
for the driver’s seat, side view mirror,
instrument panel illumination or head-
up display will cause the movement of
that component to stop and move in
the direction that the control button is
pressed.
Resetting the Driver’s Seat
Memory System
Take the following procedures to reset
the driver’s seat memory system, when it
does not operate properly.
To reset the driver’s seat memory
system
1. Place the ignition switch to the ON
position, shift to P (Park), and open
the driver’s door.
2. Operate the control switch to set the driver’s seat and seatback to the
foremost position.
3. Simultaneously press the SET button and push forward the seat movement
switch over 2 seconds.
While resetting the driver’s seat
memory system
1. It starts with the notification sound.
2. The driver’s seat and seatback is adjusted to the rearward position with
the notification sound.
3. The driver’s seat and seatback is re-adjusted to the default position
(central position) with the notification
sound.
However, in the following cases, the
resetting procedure and the notification
sound may stop.
- The memory button is pressed.
- The control switch is operated.
- The gear is shifted out of P (Park) .
- The driving speed exceeds 2 mph (3 km/h).
- The driver’s door is closed.

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NOTICE
• Reattempt to do the resetting procedure again, when the resetting
procedure incompletely stops or the
notification sound do not stop.
• Make sure that there is no obstacle around the driver’s seat in advance
of resetting the driver’s seat memory
system.
Easy Access Function
The system will move the driver’s seat
automatically as follows:
• It will move the driver’s seat rearward when the Engine Start/Stop button is
pressed to the OFF position.
• It will move the driver’s seat forward when the Engine Start/Stop button is
pressed to the ACC or START position.
You can activate or deactivate the Easy
Access Function from the User Settings
mode in the cluster LCD display.
‘Convenience → Seat Easy Access →
Off/Normal/Extended’.
For more information, refer to “LCD
Display” in chapter 4.If your vehicle is
equipped with additional navigation,
please refer to the infotainment system
manual separately supplied.
CAUTION
Driver should be cautious when using
this function to assure no injury to
passenger or child on the back seat.
In case of emergency the driver has to
stop movement of front seat (when easy
access feature is activated) by pressing
SET button or any of the driver seat
control switches.

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How to use the Smart Trunk with
Auto Open
The trunk can be opened with no-touch
activation satisfying all the conditions
below.
• After 15 seconds when all doors are closed and locked
• Positioned in the detecting area for more than 3 seconds.
Information
• The Smart Trunk with Auto Open does not operate when:
- The smart key is detected within 15 seconds after the doors are closed and
locked, and is continuously detected.
- The smart key is detected within 15 seconds after the doors are closed
and locked, and within 60 inches
(1.5 m) from the front door handles.
(for vehicles equipped with Welcome
Light)
- A door is not locked or closed.
- The smart key is in the vehicle.
1. Setting
To activate the Smart Trunk with Auto
Open, go to User Settings Mode and
select Smart Trunk on the LCD display.
For more information, refer to the “LCD
Display” section in this chapter. If your
vehicle is equipped with additional
navigation, please refer to the
infotainment system manual separately
supplied.
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2. Detect and Alert
If you are positioned in the detecting
area (20~40 inches (50 ~100 cm) behind
the vehicle) carrying a smart key, the
hazard warning lights will blink and
chime will sound to alert you the smart
key has been detected and the trunk will
open.
Information
Do not approach the detecting area if you
do not want the trunk to open. If you have
unintentionally entered the detecting area
and the hazard warning lights and chime
starts to operate, leave the detecting area
with the smart key. The trunk will stay
closed.
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3. Automatic opening
The hazard warning lights will blink and
chime will sound 6 times and then the
trunk will open.