2022 HYUNDAI SONATA HYBRID key battery

Convenient Features
5-20
• 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.
• Digital Key smartphone app may
not work properly in following
conditions.
-If you are running an important
feature of your smartphone.
(Phone call, emergency call, audio
function, NFC payment, etc.)
-When connecting and using
wireless earphones. (Phone call,
emergency call, audio function)
-When the function of the digital
key app is restricted by the
smartphone manufacturer’s
setting value or application
execution priority policy.
CAUTION
• Hyundai digital key app on the
smartphone and card key may not
work if any of the following occurs:
-Hyundai digital key app on the
smartphone is deleted. (Required
to reinstall the app)
-Account log in information of
Hyundai digital key app is expired.
(Required to re-log in)
-When you try to log in to another
smartphone instead of the
registered smartphone with same
user account.
-Smartphone rooting or app
hacking is detected.
-Smartphone battery or the vehicle
battery is discharged.
-Smartphone’s screen is off or locked.
-NFC or Bluetooth is turned off on
the smartphone settings.
-Smartphone’s mobile network
setting is off or airplane mode is
activated.
-A credit card is overlapped in the
back of your smartphone or metal
or thick case is used.
-Use the card key with insert it
into the wallet or card holder or
overlapping with other cards.
-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.
à If you change the smartphone
number, you should modify the user
account information on the HYUNDAI
customer web site to use the digital
key app.
ÃIf the vehicle owner changes
the smartphone device, the new
smartphone should be registered in
the car after deleting the registered
digital key(smartphone).

05
5-29
In case of an emergency
ODN8059291
If the electrical power door lock switch
is not operating (ex. dead car battery)
the only way to lock the door(s) is with
the mechanical key from the outside key
hole.
Doors without an outside key hole can be
locked as follows:
1. Open the door.
2. Insert the key into the emergency door lock hole and turn the key
horizontally to lock.
3. Close the door securely.
Information
If the electrical power to door lock switch
is not operating (ex. dead car battery) and
the trunk is closed, you will not be able to
open the trunk until power is restored.
Operating Door Locks from
Inside the Vehicle
With the door handle
ODN8059012
Front door
If the inner door handle is pulled when
the door is locked, the door will unlock
and open.
Rear door
If the inner door handle is pulled once
when the door is locked, the door will
unlock. If the inner door handle is pulled
once more, the door will open.
Information
If a power door lock ever fails to function
while you are in the vehicle try one or
more of the following techniques to exit:
• Operate the door unlock feature
repeatedly (both electronic and
manual) while simultaneously pulling
on the door handle.
• Operate the other door locks and
handles, front and rear.
• Lower a front window and use the
mechanical key to unlock the door from
outside.

Convenient Features
5-64
Emergency Trunk Safety Release
Inside the trunk
ODN8059044L
Your vehicle is equipped with an
Emergency Trunk Safety Release lever
located inside the trunk. When someone
is inadvertently locked in the trunk, the
trunk can be opened by moving the lever
in the direction of the arrow and pushing
the trunk open.
WARNING
• You and your passengers must
be aware of the location of the
Emergency Trunk Safety Release
lever in this vehicle and how to open
the trunk in case you are accidentally
locked in the trunk.
• NEVER allow anyone to occupy the
trunk of the vehicle at any time. If the
trunk is partially or totally latched
and the person is unable to get out,
serious injury or death could occur
due to lack of ventilation, exhaust
fumes and rapid heat build-up, or
because of exposure to cold weather
conditions. The trunk is also a highly
dangerous location in the event of a
crash because it is not a protected
occupant space but is a part of the
vehicle’s crush zone. •
Your vehicle should be kept locked
and the Smart Key should be kept
out of the reach of children. Parents
should teach their children about the
dangers of playing in trunks.
• Use the release lever for emergencies
only.
Inside the vehicle
When you can not unlock the trunk due
to battery discharge or other reasons,
you can unlock the trunk inside the
vehicle.
ODN8H059045
Open the cable cover(1) under the rear
seat with a mechanical key and pull the
cable (2) for unlocking the trunk.
The cable is firmly fixed so it may hard to
pull. Therefore, please use a tool such as
a screwdriver to assist in pulling the loop
for the emergency release.

05
5-77
Turn signals and lane change signals
ODN8A059207
To signal a turn, push down on the lever
for a left turn or up for a right turn in
position (A).
If an indicator stays on and does not flash
or if it flashes abnormally, one of the turn
signal bulbs may be burned out and will
require replacement.
One touch turn signal function
To activate the One Touch Turn Signal
function, push the turn signal lever up or
down to position (B) and then release it.
The lane change signals will blink 3, 5 or
7 times.
You can activate or deactivate the One
Touch Turn Signal function or choose
the number of blinks (3, 5, or 7) from the
User Settings mode in the LCD display.
Battery saver function
The purpose of this feature is to prevent
the battery from being discharged.
The system automatically turns off the
parking lamp when the driver turns the
vehicle off and opens the driver-side
door.
With this feature, the parking lamps will
turn off automatically if the driver parks
on the side of road at night.
If necessary, to keep the lamps on when
the vehicle is turned off, perform the
following:
(1) Open the driver-side door.
(2) Turn the parking lamps OFF and ON
again using the headlamp switch on
the steering column.
Headlamp delay function
If you place the ignition switch in the
ACC or OFF position with the headlamps
ON, the headlamps (and/or position
lamps) remain on for about 5 minutes.
However, with the engine off if the
driver’s door is opened and closed, the
headlamps (and/or position lamps) are
turned off after 15 seconds.
The headlamps (and/or position lamps)
can be turned off by pressing the lock
button on the remote key or smart key
twice or turning the light switch to the
OFF or AUTO position. However, if you
turn the light switch to the AUTO position
when it is dark outside, the headlamps
will not be turned off.

Convenient Features
5-78
NOTICE
If the driver exits the vehicle through
another door besides the driver
door, the battery saver function
does not operate and the headlamp
delay function does not turn OFF
automatically.
This may cause the battery to
discharge. To avoid battery discharge,
turn OFF the headlamps manually from
the headlamp switch before exiting the
vehicle.
Headlamp leveling device
It automatically adjusts the headlamp
beam level according to the number of
passengers and loading weight in the
luggage area.
And it offers proper headlamp beam
under various conditions.
WARNING
If the function does not work properly,
have the vehicle inspected by an
authorized HYUNDAI dealer. Do not
attempt to inspect or replace the wiring
yourself.
Interior Lights
WARNING
Do not use the interior lights when
driving in the dark. The interior lights
may obscure your view and cause an
accident.
NOTICE
Do not use the interior lights for
extended periods when the vehicle is
turned off or the battery will discharge.
Interior lamp AUTO cut
The interior lamps will automatically go
off approximately 20 minutes after the
engine is turned off and the doors are
closed. If a door is opened, the lamp
will go off 40 minutes after the engine is
turned off. If the doors are locked by the
remote key or smart key and the vehicle
enters the armed stage of the theft
alarm system, the lamps will go off five
seconds later.

06
6-9
NOTICE
To prevent damage to the vehicle:
When the stop lamp switch fuse is
blown, you can't start the engine
normally. Replace the fuse with a new
one. If you are not able to replace
the fuse, you can start the engine by
pressing and holding the Engine Start/
Stop button for 10 seconds with the
Engine Start/Stop button in the ACC
position.
Do not press the Engine Start/Stop
button for more than 10 seconds except
when the stop lamp switch fuse is
blown.
For your safety always depress the
brake pedal before starting the engine.
ODN8H060002N
Information
If the smart key battery is weak or the
smart key does not work correctly, you
can start the engine by pressing the Engine
Start/Stop button with the smart key in
the direction of the picture above.
Remote Start
ODN8069004
You can start the vehicle using the
Remote Start button 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).

06
6-13
3. When the message ("Vehicle will
stay in (N). Change gear to cancel")
appears on the cluster LCD display,
turn off the engine.
In this situation, if you unfasten the
driver's seat belt and open the driver's
door within 3 minutes, the gear is shifted
to P(Park) position automatically and the
ignition switch is turned off.
When the battery is discharged:
You cannot shift the gear when the
battery is discharged.
In emergencies, do the following to
move the shift button to N (Neutral) on a
level ground.
1. Connect the battery cables from
another vehicle or from a another
battery to the jump-starting terminals
inside the engine compartment.
For more information refer to "Jump
Starting" in chapter 7.
2. Release the parking brake with the
Engine Start/Stop button in the ON
position.
3. Shift the gear to the N(Neutral)
position. Refer to the "Stay in N
(Neutral) position when engine is Off"
in this chapter.
Parking
Always come to a complete stop and
continue to depress the brake pedal.
Press the P button, apply the parking
brake, and place the ignition switch in
the LOCK/OFF position. Take the Key
with you when exiting the vehicle.
• The gear is shifted to P (Park) position
automatically for safety under the
following conditions.
-When the driver unfastens the seat
belt and opens the driver’s door.
-When the engine is turned off with
the gear shifted to R (Reverse), D
(Drive) or N (Neutral).
WARNING
When you stay in the vehicle with
the engine running, be careful not to
depress the accelerator pedal for a long
period of time. The engine or exhaust
system may overheat and start a fire.
The exhaust gas and the exhaust system
are very hot. Keep away from the
exhaust system components.
Do not stop or park over flammable
materials, such as dry grass, paper or
leaves. They may ignite and cause a fire.

Index
I-8
G
Gauges and meters
........................................................................\
........................4-3
Glove box
........................................................................\
.................................5-118
Guide to Hyundai genuine parts
........................................................................\
...1-3
H
Hazard warning flasher
........................................................................\
.................7-2
Hazardous driving conditions
........................................................................\
...6-132
Head restraints
........................................................................\
............................3-11
Front seat head restraints
........................................................................\
........3-12
Rear seat restraints
........................................................................\
.................3-14
Headlamp delay function
........................................................................\
............5-77
Headlamp leveling device ........................................................................\
............ 5-78
Headlamp position
........................................................................\
......................5-72
Head-up display (HUD)
........................................................................\
..............5-70
Heated steering wheel
........................................................................\
.................5-40
HEV (Hybrid Electric Vehicle) system
................................................................1-12
High Beam Assist (HBA)
........................................................................\
............5-74
High beam operation ........................................................................\
.................... 5-73
Highway driving
........................................................................\
........................6-134
Highway Driving Assist (HDA)
........................................................................\
6-114
Hill-start assist control (HAC)
........................................................................\
.....6-32
HomeLink® system
........................................................................\
.....................5-43
Hood
........................................................................\
............................................5-62
Horn
........................................................................\
.............................................5-41
How to use this manual
........................................................................\
.................1-4
Hybrid battery SOC (State of Charge) gauge
......................................................1-15
Hybrid system gauge
........................................................................\
...................1-15
Power gauge
........................................................................\
............................1-15
Hyundai digital key ........................................................................\
...................... 5-12
Digital key application
........................................................................\
...........5-12
Digital key (smartphone) NFC function
........................................................5-13
Digital key (smartphone) ........................................................................\
......... 5-13
Digital key (card key) ........................................................................\
.............. 5-21