HYUNDAI SONATA HYBRID 2021 Owners Manual

5
Forward/Reverse Parking Distance Warning (PDW) .....................................5-91Operation of Forward/Reverse Parking Distance Warning System ........................5-92
Non-Operational Conditions of Forward/
Reverse Parking Distance Warning System
.............................................................5-94
Forward/Reverse Parking Distance Warning System Precautions ........................5-94
Reverse Parking Collision-Avoidance Assist (PCA) .......................................5-95System Setting and Operation ........................................................................\
..........5-95
Warning and System Control ........................................................................\
............5-96
Detecting Sensor ........................................................................\
...............................5-98
System Malfunction ........................................................................\
..........................5-99
Limitations of the System ........................................................................\
.................5-99
Automatic Climate Control System ..............................................................5-101Automatic Heating and Air Conditioning ...............................................................5-102
Manual Temperature Control Mode ........................................................................\
5-103
System Operation ........................................................................\
.............................5-109
System Maintenance ........................................................................\
.........................5-111
Windshield Defrosting and Defogging ..........................................................5-113To Defog Inside Windshield ........................................................................\
..............5-113
To Defog Outside Windshield ........................................................................\
...........5-114
Defogging Logic ........................................................................\
................................5-114
Auto Defogging System ........................................................................\
....................5-115
Defroster ........................................................................\
............................................5-116
Climate Control Additional Features .............................................................5-117Sunroof Inside Air Recirculation ........................................................................\
.......5-117
Automatic Ventilation ........................................................................\
.......................5-117
Smart Seat Warmer/Air Ventilation Seat
(Automatic Control Interworking with the Driver’s Seat System)
..........................5-117
Washer Fluid Logic ........................................................................\
............................5-117
Storage Compartment ........................................................................\
...........5-118Center Console Storage ........................................................................\
....................5-118
Glove Box ........................................................................\
...........................................5-118
5. Convenient Features

Interior Features ........................................................................\
......................5-119Cup Holder ........................................................................\
.........................................5-119
Sunvisor ........................................................................\
............................................5-120
Power Outlet ........................................................................\
.....................................5-120
USB Charger ........................................................................\
......................................5-121
Wireless Cellular Phone Charging System ..............................................................5-122
Clock ........................................................................\
.................................................5-124
Clothes Hanger ........................................................................\
.................................5-124
Floor Mat Anchor(s) ........................................................................\
...........................5-125
Side Curtain ........................................................................\
.......................................5-125
Infotainment System ........................................................................\
.............5-126USB and iPod® Port ........................................................................\
..........................5-126
Antenna ........................................................................\
.............................................5-126
Steering Wheel Audio Control ........................................................................\
..........5-127
Bluetooth® Wireless Technology Hands-Free .........................................................5-128
Audio (Display Audio) / Video / Navigation System
...............................................5-128
5

05
5-5
Smart Key
ODN8H050007N
Your HYUNDAI uses a smart key, which
you can use to lock or unlock a door (and
trunk) and even start the engine even just
carrying the key.
(1) Door Lock
(2) Door Unlock
(3) Trunk Open
(4) Panic
(5) Remote Start (if equipped)
Locking your vehicle (Button type)
ODN8059001
1. Close all of the doors, the hood and
the trunk.
2. Make sure you have the smart key in
your possession and press either the
button on the door handle or the Door
Lock button (1) on the smart key.
3. The doors, the hood and the 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.
ACCESSING YOUR VEHICLE

Convenient Features
5-6
Locking your vehicle
(Touch sensor type)
ODN8059236
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 -7
Unlocking your vehicle
(When the Two Press Unlock feature
is off)
„„Button type
ODN8059001
„„Touch sensor type
ODN8059235
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 Features
5-8
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
5-9
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 (5) 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).
Mechanical key
If the Smart Key does not operate
normally, you can lock or unlock the
driver’s door by using the mechanical
key.
OFE048007
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.

Convenient Features
5-10
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.
Battery replacement
OFE048009
ODN8059266
If the Smart Key is not working properly,
try replacing the battery with a new one.

05
5-11
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 regulation.
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.

Convenient Features
5-12
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
Hyundai Digital Key (if equipped)
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.
ÃThis 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.