2023 HYUNDAI SONATA warning

04
4-17
Immobilizer Indicator Light
This indicator light illuminates:
•
When the vehicle detects the
immobilizer in the key with the
ignition switch in the ON position.
- At this time, you can start the engine.
- The indicator light goes off after starting the engine.
This indicator light blinks:
• When there is a malfunction with the
immobilizer system.
If this occurs, have the vehicle inspected
by an authorized HYUNDAI dealer.
Immobilizer Indicator Light
(with smart key) (if equipped)
This indicator light illuminates for up to 30 seconds:
When the vehicle detects the smart key
in the vehicle with the Engine Start/Stop
button in the ACC or ON position. - Once the smart key is detected, you can start the engine.
- The indicator light goes off after starting the engine.
This indicator light blinks for a few seconds:
When the smart key is not in the vehicle.
- If the smart key is not detected, you cannot start the engine.
This indicator light illuminates for 2 seconds and goes off:
If the smart key is in the vehicle and the
Engine Start/Stop button is ON, but the
vehicle cannot detect the smart key.
In this case, have the vehicle inspected
by an authorized HYUNDAI dealer.
This indicator light blinks:
When there is a malfunction with the
immobilizer system.
In this case, have the vehicle inspected
by an authorized HYUNDAI dealer.
Turn Signal Indicator Light
This indicator light blinks:
When you operate the turn signal
indicator stalk.
If any of the following occur, there may be
a malfunction with the turn signal system.
- The turn signal indicator light illuminates but does not blink
- The turn signal indicator light blinks rapidly
- The turn signal indicator light does not illuminate at all
If any of these conditions occur, have
your vehicle inspected by an authorized
HYUNDAI dealer.
Headlamp Warning Light (if equipped)
This warning light illuminates:
If one of the exterior bulbs (headlamp,
stop lamp, high mounted stop lamp) is
not operating properly. One of the bulbs
may need to be replaced. If the vehicle
is equipped with LED headlamps, have
the vehicle inspected by an authorized
HYUNDAI dealer.
Information
When replacing the bulb, use the same wattage bulb.
For more information, refer to "Light
bulbs" in chapter 8.

Instrument Cluster
4-18
High Beam Indicator Light
This indicator light illuminates:
•
When the headlights are on and in the high beam position.
• When the turn signal lever is pulled
into the Flash-to-Pass position.
Light ON Indicator Light
This indicator light illuminates:
When the tail lights or headlamps are on.
High Beam Assist indicator
light (if equipped)
This indicator light illuminates:
• When the High Beam is on with the
light switch in the AUTO light position.
• If your vehicle detects oncoming or
preceding vehicles, High Beam Assist
will switch the high beam to low beam
automatically.
For more information, refer to "High
Beam Assist (HBA)" in chapter 5. Forward Collision-Avoidance
Assist Warning Light (if equipped)
This warning light illuminates:
•
When you set the ignition switch or
Engine Start/Stop button to the ON position.
- It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with
FCA. In this case, have your vehicle
inspected by an authorized dealer of
HYUNDAI.
For more information, refer to "Forward
Collision-Avoidance Assist (FCA)" in
chapter 6.
Lane Keeping Assist
Indicator Light (if equipped)
This indicator light illuminates:
• [Green] When you activate the lane
departure warning system by pressing
the LKA button and all of the system
operating conditions are satisfied.
• [White] When system operating
conditions are not satisfied or when
the sensor does not detect the lane line.
• [Yellow] When there is a malfunction
with Lane Keeping Assist system.
In this case, have your vehicle inspected
by an authorized HYUNDAI dealer.
For more information, refer to "Lane
Keeping Assist (LKA)" in chapter 6.

04
4-19
LCD Display Messages
Shift to P or N to start engine
(for smart key system)
This warning message is displayed if
you try to start the engine with the shift
button not in the P (Park) or N (Neutral) position.
Information
You can start the engine with the shift
button in the N (Neutral) position. But, for
your safety, we recommend that you start
the engine with the shift button in the P (Park) position.
Shift to P (for smart key system)
This message is displayed if you try to
turn off the engine without the shift
button in P (Park) position.
If this occurs, the Engine Start/Stop
button turns to the ACC position (If you
press the Engine Start/Stop button once
more, it will turn to the ON position).
Low key battery
(for smart key system)
This warning message is displayed if the
battery of the smart key is discharged
while changing the Engine Start/Stop
button to the OFF position.
Press brake pedal to start engine
(for smart key system)
This warning message is displayed if the
Engine Start/Stop button changes to
the ACC position twice by pressing the
button repeatedly without depressing
the brake pedal.
You can start the vehicle by depressing
the brake pedal and then pressing the
Engine Start/Stop button. Key not in vehicle
(for smart key system)
This warning message is displayed if the
smart key is not in the vehicle when you
press the Engine Start/Stop button.
When attempting to start the vehicle,
always have the smart key with you.
Key not detected
(for smart key system)
This warning message is displayed if the
smart key is not detected when you press
the Engine Start/Stop button.
Press START button again
(for smart key system)
This message is displayed if you were
unable to start the vehicle when the
Engine Start/Stop button was pressed.
If this occurs, attempt to start the engine
by pressing the Engine Start/Stop button again.
If the warning message appears each
time you press the Engine Start/Stop
button, have your vehicle inspected by
an authorized HYUNDAI dealer.
Battery discharging due to external
electrical devices (if equipped)
This message is displayed if the battery
voltage is weak due to any non-factory
electrical accessories (ex. dashboard
camera) while parking. Be careful that
the battery is not discharged.
If the warning message appears after
removing the non-factory electrical
accessories, have the vehicle inspected
by an authorized HYUNDAI dealer.

Instrument Cluster
4-20
Press START button with key
(for smart key system)
This warning message is displayed if you
press the Engine Start/Stop button while
the warning message "Key not detected"
is displayed.
At this time, the immobilizer indicator
light blinks.
Check BRAKE SWITCH fuse
(for smart key system)
This warning message is displayed if the
brake switch fuse is disconnected.
You need to replace the fuse with a new
one before starting the engine.
If that is not possible, you can start the
engine by pressing the Engine Start/
Stop button for 10 seconds in the ACC position.
Door, Hood, Trunk Open Indicator
ODN8049012
This warning is displayed if any door or
the hood or the liftgate is left open. The
warning will indicate which door is open
in the display.
CAUTION
Before driving the vehicle, you should
confirm that the door/hood/liftgate
is fully closed. Also, check there is no
door/hood/liftgate open warning light
or message displayed on the instrument
cluster.
Sunroof Open (if equipped)
ODN8049013
This warning is displayed if you turn off
the engine when the sunroof is open.
Close the sunroof securely before leaving
your vehicle.

04
4-21
Instrument panel illumination
OCN7040019L
You can adjust the brightness of the
instrument panel illumination form
the User Settings Mode on the LCD
display when the ignition switch is
on (’Lights→Illumination’). When the
vehicle’s parking lights or headlamps are
on, interior switch illumination intensity
and mood lamps are also adjusted.
If your vehicle is equipped with
additional navigation, please refer
to the infotainment system manual
separately supplied.
Low Pressure
ODN8049019L
This warning message is displayed if the
tire pressure is low. The corresponding
tire on the vehicle will be illuminated.
For more information, refer to "Tire
Pressure Monitoring System (TPMS)" in
chapter 7. Lights Mode
OIK047145L
This indicator displays which exterior
light is selected using the lighting
control. Wiper
OIK047146L
This indicator displays which wiper speed
is selected using the wiper control.

04
4-23
LCD Display Modes
Modes Symbol Explanation
Trip ComputerThis mode displays driving information such as the
tripmeter, fuel economy, etc.
Turn By Turn (TBT)
This mode displays the state of the navigation.
Drive Assist
(if equipped)
This mode displays the state of: - Smart Cruise Control system
Lane Following Assist system
Lane Keeping Assist system
- Driver Attention Warning system
- Tire pressure
User Settings
The User Settings menu provides user options for
a variety of settings including door lock/unlock
features, convenience features, driver assistance
settings, etc.
Master Warning
The Warning mode displays warning messages
related to the vehicle when one or more systems is
not operating normally.
The information provided may differ depending on which functions are applicable
to your vehicle.

Instrument Cluster
4-24
Trip computer mode
OIK047124L
The trip computer mode displays
information related to vehicle driving
parameters including fuel economy, trip
meter information and vehicle speed.
For more information, refer to "Trip
Computer" in this chapter.
Turn By Turn (TBT) mode
OIK047147
This mode displays the state of the
navigation. Driving Assist mode
ODN8049021
SCC/LFA/LKA, DAW
This mode displays the state of Smart
Cruise Control system, Lane Following
Assist system, Lane Keeping Assist
system and Driver Attention Warning
system.
For more information, refer to each
system information in chapter 6.
ODN8049019L
Tire Pressure
This mode displays information related to
Tire Pressure.
For more information, refer to "Tire
Pressure Monitoring System (TPMS)" in
chapter 7.

04
4-25
Master warning mode
OIK047173L
This warning light informs the driver the
following situations.
- Forward Collision-Avoidance Assist system malfunction (if equipped)
- Forward Collision-Avoidance Assist radar blocked (if equipped)
- Blind-Spot Collision Warning system malfunction (if equipped)
- Blind-Spot Collision Warning radar blocked (if equipped)
- High Beam Assist malfunction (if equipped)
- Lamp malfunction (if equipped)
- Smart Cruise Control malfunction (if equipped)
- Tire Pressure Monitoring System (TPMS) malfunction (if equipped)
The Master Warning Light illuminates
if one or more of the above warning
situations occur. At this time, a Master
Warning icon (
) will appear beside
the User Settings icon (), on the LCD
display.
If the warning situation is solved, the
master warning light will be turned
off and the Master Warning icon will
disappear. User settings mode
OIK047148L
In this mode, you can change the
settings of the instrument cluster, doors,
lamps, etc.
1. Head-Up Display
2. Driver Assistance
3. Door
4.
Lights
5. Sound
6. Convenience
7. Service interval
8. Other
9. Language
10. Reset
The information provided may differ
depending on which functions are
applicable to your vehicle.