chapter 6 HYUNDAI SONATA 2021 Owner's Guide

04
4-43
5. Sound
ItemsExplanation
Cluster Voice
Guidance Volume To adjust the cluster voice guidance volume.
Welcome sound To activate or deactivate the welcome sound.
6. Convenience
Items
Explanation
Seat Easy Access •
Off: The seat easy access function is deactivated.
•

N
ormal/Extended: When you turn off the engine, the driver’s
sea

t will automatically move rearward short (Normal) or long
(Extended) for you to enter or exit the vehicle more comfortably.
For more information, refer to “Driver Position Memory System”
in chapter 5.
Rear Occupant Alert To activate or deactivate the rear occupant alert.
Welcome Light •

On
driver approach: The welcome light turns on automatically
when the v

ehicle is approached with the smart key.
For more information, refer to ‘’Welcome System’’ in chapter 5.
Wireless Charging
System To activate or deactivate the wireless charging system in the front
seat.
For more information, refer to “Wireless cellular phone charging
system” in chapter 5.
Wiper/Lights Display To activate or deactivate the Wiper/ Light mode.
When activated, the LCD display shows the selected Wiper/Light
mode whenever you changed the mode.
Gear Position Pop-
up To activate or deactivate the gear position pop-up.
When activated, the gear position will be displayed on the LCD
display.
Vehicle Auto-Shut
Off The feature is to turn off the vehicle automatically after a certain
amount of time (30 or 60 mins), to prevent CO toxication when the
vehicle is on and parked in a garage for a long time.
Select the time to delay automatic shut off when the vehicle is
parked with the engine on.

04
4-45
8. Other
ItemsExplanation
Fuel Econ. Reset •
Off: The average fuel economy will not reset automatically
whene

ver refueling.
•
After ignition: When the engine has been OFF for 4 hours or longer
the a

verage fuel economy will reset automatically.
•
After refueling: The average fuel economy will reset automatically
a

fter adding 1.6 gallons (6 liters) of fuel or more and after driving
speed exceeds 1 mph (1 km/h).
For more information, refer to “Trip Computer” in this chapter.
Fuel Econ. Unit To select the fuel economy unit.
Temperature Unit To select the temperature unit. (°C,°F)
Tire Pressure Unit To select the tire pressure unit. (psi, kPa, bar)
9. Language (if equipped)
Items
Explanation
Language Choose the language. You can choose the language in infotainment
system. (if equipped)
10. Reset
Items
Explanation
Reset You can reset the menus in the User Settings Mode. All menus in the
User Settings Mode are reset to factory settings, except language
and service interval.

05
5-5
Trunk unlocking
To unlock the trunk :
1.
Pr
ess and hold the Trunk Unlock
button (3) on the remote key for more
than one second.
2.

The hazar
d warning lights will blink
two times and the trunk will be
unlocked.
3.

Once the trunk is opened and then
closed, the trunk will aut

omatically
re-lock after 30 seconds.
Information
The word “HOLD” is written on the
button to inform you that you must press
and hold the button for more than one
second.
Panic button (4)
Press and hold the Panic button (4) for
more than one second. The horn sounds
and hazard warning lights flash for about
30 seconds.
To cancel the panic mode, press any
button on the remote key.
Start-up
For information, refer to the “Key
Ignition Switch” section in chapter 6.
NOTICE
To prevent damaging the remote key:
• Keep the remote key away from
water or any liquid and fire. Internal
circuits may malfunction if the inside
of the remote key gets damp (from
liquids or moisture) or if it is heated.
This can exclude the remote key from
being covered under warranty.
• Avoid dropping or throwing the
remote key.
• Protect the remote key from extreme
temperatures.
Mechanical key
OIG046004
If the remote key does not operate
normally, you can lock or unlock the
driver’s door by using the mechanical
key.
To unfold the mechanical key, press the
release button on the remote.
To return the key to its stored position,
press the release button and fold the key
back into the remote.
Remote key precautions
The remote key will not work if any of the
following occur:
• The key is in the ignition switch.
• You exceed the operating distance
limit (about 90 feet [30 m]).
• The remote key battery is weak.
• Other vehicles or objects may be
blocking the signal.
• The weather is extremely cold.
• The remote key is close to a radio
transmitter such as a radio station or
an airport which can interfere with
normal operation of the remote key.
If the remote key does not work
correctly, open and close the door
with the mechanical key. If you have a
problem with the remote key contact an
authorized HYUNDAI dealer.

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.

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.

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.

Convenient Features
5-26
If the digital key (card key) does not
work, please detach the key around
4 inches (0.1 m) from the handle
authentication pad and retry to contact.
The card key may be damaged by the
impact. It would not work properly if
the key is damaged. You should buy a
new card and register again. Long-time
exposure to high temperature may cause
the card key to malfunction. Please be
careful not to expose the key to direct
sunlight or high temperature.
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 Card key
After placing your registered card key
onto the interior authentication pad
(wireless charger), step on the brake and
press the Engine Start/Stop button.
WARNING
•
If you do not place the digital key
(card key) onto the center of the
interior authentication pad (wireless
charger) exactly, the card key may
not be recognized. If the engine is
not turned on, adjust and place the
key again.
• If you overlap and use the key
with NFC-enabled cards such as
transportation card or credit card,
the card key may not be recognized.
• If the digital key (card key) does not
work, please detach the key around
4 inches (0.1 m) from the handle
authentication pad and retry to
contact.
• The card key may be damaged due to
impact. It would not work properly if
the key is damaged. You should buy a
new card and register again.
For more information, refer to the
Engine Start/Stop button in chapter 6.

Convenient Features5-34
WARNING
If you stay in the vehicle for a long time
while the weather is very hot or cold,
there are risks of injuries or danger to
life. Do not lock the vehicle from the
outside when someone is in the vehicle.
WARNING
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.
Automatic Door Lock and Unlock
Features
Your vehicle is equipped with features
that will automatically lock or unlock
your vehicle based on settings you select
in the LCD cluster display.
Auto LOCK - Enable on Speed
When this feature is set in the LCD
cluster display, all the doors will be
locked automatically when the vehicle
exceeds 9 mph (15 kph).
Auto LOCK - Enable on Shift
When this feature is set in the LCD
cluster display, all the doors will be
locked automatically when the vehicle is
shifted out of P (Park) while the engine is
running.
Auto UNLOCK - Enable on Shift
When this feature is set in the LCD
cluster display, all the doors will be
unlocked automatically when the vehicle
is shifted back into P (Park).
For more information on these features,
refer to the LCD Display section later in
this chapter.
Additional Unlock Safety Feature -
Air Bag Deployment
As an additional safety feature, all doors
will be automatically unlocked when an
impact causes the air bags to deploy.

05
5-41
NOTICE
• Reattempt to do the resetting procedure again, when the resetting
procedure incompletely stops or the
notification sound do not stop.
•

M
ake 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.