lock Hyundai Sonata 2020 Owner's Guide

Convenient Features5-8
Locking your vehicle
(Touch sensor type)
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1. Close all of the doors, the hood and the trunk.
2. Make sure you have the smart key in your possession and touch either the
touch sensor on the door handle (the
engraved part) or press the Door Lock
button (1) on the smart key.
3. The doors, hood and trunk are locked. The chime will sound once and the
hazard warning lights will blink.
• The door handle button will only operate when the smart key is within
28~40 inches (0.7~1 m) from the
outside door handle.
• Make sure the doors are locked by pulling the door handle.
• If you locked the door with the touch sensor on the door handle, the doors
cannot be unlocked with the sensor
within 3 seconds.
Even though you press the outside door
handle button or touch the touch sensor,
the doors will not be locked and the
chime will sound for 3 seconds if any of
the following occurs:
• The Smart Key is in the vehicle
• The Engine Start/Stop button is in ACC or ON position.
• Any door except the trunk is opened.
CAUTION
When you leave your vehicle with
the smart key, make sure to press the
button on the front door handle or
touch the touch sensor on the front
door handle to lock the doors after
close all of the doors, the hood and the
trunk. If you do not press the button
or touch the touch sensor firmly, the
doors might not be locked so please use
caution.
WARNING
Do not leave the Smart Key in your
vehicle with unsupervised children.
Unattended children could press the
Engine Start/ Stop button and may
operate power windows or other
controls, or even make the vehicle
move, which could result in serious
injury or death.

05
5-9
Unlocking your vehicle
(When the Two Press Unlock feature
is off)
Button typeButton type
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Touch sensor typeTouch sensor type
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1. Make sure you have the smart key in your possession.
2. Press the Door Unlock button (2) on the smart key, press the button on the
front door handle or touch the door
unlock sensor inside of the front door
handle to unlock the doors.
3. All of the doors will unlock. When the doors unlock, the hazard warning
lights will blink two times and the
chime will sound.
• The door handle button will only operate when the smart key is within
28~40 inches (0.7~1 m) from the
outside door handle.
• If you do not open the door after unlocking within 30 seconds, it will
return to the lock mode.
• If you unlocked the door with the door handle, the doors cannot be locked
with the sensor within 2 seconds.
Unlocking your vehicle
(When the Two Press Unlock feature
is on)
1. Make sure you have the smart key in your possession.
2. Press the Door Unlock button (2) on the smart key, press the button on the
front door handle or touch the door
unlock sensor inside of the front door
handle to unlock the doors.
3. The driver’s door will unlock.
4. If you press the button on the front door handle or touch the door unlock
sensor inside of the front door handle
to unlock the doors within 4 seconds,
all of the doors unlock. When the
doors unlock, the hazard warning
lights will blink two times and the
chime will sound.
• The door handle button will only operate when the smart key is within
28~40 inches (0.7~1 m) from the
outside door handle.
• If you do not open the door after unlocking within 30 seconds, it will
return to the lock mode.
• The factory default setting is in off mode so you should set in the User’s
Settings mode.
• If you unlocked the door with the door handle, the doors cannot be unlocked
with the sensor within 2 seconds.

Convenient Features5-10
Two Press Unlock Feature
The priority for unlocking the driver door
only, or unlocking all the doors with
one press may be adjusted in the User
Settings mode in the cluster LCD display.
The Two Press Unlock feature, when
enabled, will require the user to press
the door unlock button once for driver
door only and twice for unlocking all the
doors.
Select or Deselect the Two Press Unlock
feature in the User Settings mode in the
cluster LCD display. The option can be
found under the following menu:
User Settings → Door → Two Press Unlock
The Two Press Unlock feature can also be
enabled or disabled by pressing the door
lock and unlock buttons simultaneously
on the Key FOB:
Press and hold both the Door Lock
button and the Door Unlock button
simultaneously until the hazard warning
lights blink.
This will enable or disable the Two Press
Unlock feature. Repeat this procedure to
enable/disable the mode again.
Information
If you press the front passenger outside
door handle with the smart key in your
possession, all the doors will unlock.
Smart Key Reminder
If the smart key is in the vehicle and
any door is opened, the doors will not
lock even though the lock button of the
central door lock switch is pressed.
Trunk opening
To open:
1. Make sure you have the smart key in your possession and either press
inside the trunk emblem or press the
Trunk Unlock button (3) on the smart
key for more than one second.
2. Once the trunk is opened, the hazard warning lights will blink two times.
• The trunk handle button will only operate when the smart key is within
28~40 inches (0.7 ~1 m) from the trunk
handle.
• Once the trunk is opened and then closed, the trunk will automatically
re-lock and the hazard warning will
blink once.
• If you leave the smart key and close the trunk, the chime will sound for 5
seconds. In the case, the trunk cannot
be locked so open it with the trunk
handle button.
Panic button
Press and hold the Panic button (4) for
more than one second. The horn sounds
and hazard warning lights blink for about
30 seconds. To cancel the panic mode,
press any button on the Smart Key.

05
5-11
Start-up
You can start the vehicle without
inserting the key.
For information, refer to the “Engine
Start/Stop Button” section in chapter 6.
NOTICE
To prevent damaging the smart key:
• Keep the smart key in a cool,
dry place to avoid damage or
malfunction. Exposure to moisture
or high temperature may cause
the internal circuit of the smart key
to malfunction which may not be
covered under warranty.
• Avoid dropping or throwing the
smart key.
• Protect the smart key from extreme
temperatures.
Remote start
You can start the vehicle using the
Remote Start button (7) of the smart key.
To start the vehicle remotely:
• Lock the doors by pressing the door
lock button within 32 feet (10 m)
distance from the vehicle.
• Press the remote start button for over 2 seconds within 4 seconds after
locking the doors and the hazard
warning will blink.
To turn off the remote start function, press
the remote start button once. In case of
the manual operation, the climate control
system will be maintained even when
the engine is turned OFF. However, the
automatic operation is set to 72°F (22°C).
Remote smart parking assist (RSPA)
(if equipped)
The Remote smart parking assist (RSPA)
system helps the drivers park their
vehicle by using sensors to measure
parking spaces and control the steering
wheel, gear shift and vehicle speed to
semi-automatically park the vehicle.
With the smart key, the driver can move
the vehicle forward or backward using
the rearward /forward buttons (5, 6) on
the smart key.
For information, refer to “Remote smart
parking assist (RSPA)” in this chapter.

Convenient Features5-12
Mechanical key
If the Smart Key does not operate
normally, you can lock or unlock the
driver’s door by using the mechanical
key.
OFE048007OFE048007
To remove the mechanical key from the
smart key FOB, slide the release lever in
the direction of the arrow (1) and then
pull the mechanical key (2) outward.
To unlock the vehicle using the
mechanical key. insert the mechanical
key into the key hole in the driver door.
To reinstall the mechanical key into the
FOB, insert the key in the top of the key
FOB and push inward until a click sound
is heard.
Loss of a smart key
A maximum of two Smart Keys can be
registered to a single vehicle. If you
happen to lose your smart key, you
should immediately take the vehicle
and remaining keys to your authorized
HYUNDAI dealer or tow the vehicle, if
necessary.
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 cellular 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
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.
NOTICE
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.

Convenient Features5-14
Immobilizer System
The immobilizer system protects your
vehicle from theft. If an improperly
coded key (or other device) is used, the
engine’s fuel system is disabled.
When the ignition switch is placed in
the ON position, the immobilizer system
indicator should come on briefly, then
go off. If the indicator starts to blink, the
system does not recognize the coding of
the key.
Turn the ignition switch to the LOCK/OFF
position, then turn the ignition switch to
the ON position again.
In some circumstances, the vehicle may
not recognize your smart key if another
smart key device is nearby or a metal
object such as a key chain is causing
interference with the smart key.
If this occurs, your vehicle may not
start. Remove any metal objects or
additional keys near the smart key before
attempting to start the vehicle again.
If the system repeatedly does not
recognize the coding of the key, it is
recommended that you contact your
HYUNDAI dealer.
Do not attempt to alter this system
or add other devices to it. Electrical
problems could result that may make
your vehicle inoperable. WARNING
In order to prevent theft of your
vehicle, do not leave spare keys
anywhere in your vehicle. Your
immobilizer password is a customer
unique password and should be kept
confidential.
NOTICE
The transponder in your key is an
important part of the immobilizer
system. It is designed to give years
of trouble-free service, however you
should avoid exposure to moisture,
static electricity and rough handling.
Immobilizer system malfunction could
occur.
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.
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

05
5-15
Hyundai Digital Key
Digital Key Application
To use Hyundai Digital Key mobile app,
you should install Hyundai digital key
application. Search ‘Hyundai digital key’
in the Google Play Store and download
the app. Please refer to the detailed
manual of the digital key app. The option
can be found under the following app
menu:
Menu → Application Info → Tutorial
Please note the manual before using the
app.
 This service is only available for
Android smartphones. Please confirm
supported/compatible devices on our
website.
WARNING
For used vehicle
If any of the digital key (smartphone key
or card key) is already registered when
you press ON button after unlocking the
doors, the message ‘Digital key(s) active’
appears on the instrument cluster once.
If you buy a used vehicle, you should
confirm the message and delete the
registered smartphone key and card key.
In addition, please notify the Hyundai
Customer Care Center.
If the card key does not work properly,
please delete the card key and register
the smartphone key and re-register the
card key.
For vehicle maintenance
If you need to have your Digital Key
System repaired or replaced please
ensure you Smartphone Key is still active.
You may have to pair your phone again.
In the case, re-initialize your Digital Keys
using the Hyundai Digital Key mobile app.
Digital key (smartphone) NFC
function
You can use the Digital Key NFC (Near
Field Communication) function after turn
your smartphone NFC settings on. And
you should unlock & turn on smartphone
screen to use it.

 To change the NFC mode of the
smartphone, please refer to the
smartphone manual or contact
to the customer service center of
smartphone manufacturers.

05
5-17
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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.

Convenient Features5-18
Set up main vehicle
You can manage multiple digital keys
fr
om 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.
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[1] : Door handle authentication pad
NFC door lock/unlock
You should contact your smartphone’s
NF
C 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. After placing your registered smartphone on
to the interior
authentication pad (wireless charger),
step on the brake and press the
Engine Start/Stop button.
2. After 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.
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[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.