warning light Hyundai Sonata 2019 Service Manual

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Convenient features of your vehicle
Malfunction IndicatorLamp (MIL)
This warning light illuminates:
Once you set the ignition switch or
Engine Start/Stop button to the ON
position.
- It remains on until the engine isstarted.
When there is a malfunction with the emission control system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer. - Malfunction Indicator Lamp (MIL)
Driving with the Malfunction
Indicator Lamp (MIL) on may cause
damage to the emission control
systems which could affect dri-
vability and/or fuel economy.
If the Malfunction Indicator Lamp
(MIL) illuminates, potential catalyt-
ic converter damage is possible
which could result in loss of
engine power.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Charging System
Warning Light
If this warning light comes on while
the engine is running, the battery is
not being charged. Immediately turn
off all electrical accessories. Try not
to use electrically operated controls,
such as the power windows. Keep the
engine running; starting the engine
will quickly discharge the battery.
If there is a malfunction with either
the alternator or electrical charging
system:
1.Drive carefully to the nearest safe
location and stop your vehicle.
2.Turn the engine off and check the alternator drive belt for looseness
or breakage.
If the belt is adjusted properly,
there may be a problem in the elec-
trical charging system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
NOTICE
NOTICE

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Convenient features of your vehicle
3
Engine Oil PressureWarning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It remains on until the engine isstarted.
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more infor-
mation, refer to "Engine Oil" in
chapter 7). If the level is low, add
oil as required.
If the warning light remains on
after adding oil and restarting the
engine or if oil is not available, turn
off the engine. There is a mechan-
ical concern that needs to be
repaired before you can continue
driving. In this case, have your
vehicle inspected by an author-
ized HYUNDAI dealer. - Engine Oil Pressure Warning light
To prevent severe engine damage,
after the Engine Oil Pressure
Warning Light is illuminated and as
soon as it is safe to do so, turn the
engine off and check the oil level.
If the oil level is low, fill the engine
oil to the proper level and start the
engine again. If the light stays on
with the engine running, turn the
engine off immediately.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Low Fuel Level
Warning Light
This warning light illuminates:
When the fuel tank is nearly empty.
Add fuel as soon as possible.
- Low Fuel Level
Driving with the Low Fuel Level
warning light on or with the fuel
level below "E" can cause the
engine to misfire and damage the
catalytic converter (if equipped).
NOTICE
NOTICE

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Convenient features of your vehicle
Low Tire PressureWarning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When one or more of your tires are significantly underinflated (The
location of the underinflated tires
are displayed on the LCD display).
For more information, refer to
"Tire Pressure Monitoring System
(TPMS)" in chapter 6.
This warning light remains on after
blinking for approximately 60 sec-
onds or repeats blinking and off at
the intervals of approximately 3
seconds:
When there is a malfunction with the
TPMS.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
For more information, refer to
"Tire Pressure Monitoring System
(TPMS)" in chapter 6.
Automatic Emergency Braking (AEB) Warninglight (if equipped)
This warning light illuminates :
When the AEB system is turned off.
When the radar or its cover is
stained. Remove the stains with a
soft cloth.
When there is a malfunction with AEB. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Door Ajar WarningLight
This warning light illuminates:
When a door is not closed securely.
Trunk Open WarningLight
This warning light illuminates:
When the trunk lid is not closed
securely.
Safe Stopping
The TPMS cannot alert you to
severe and sudden tire damage
caused by external factors.
If you notice any vehicle insta-
bility, immediately take your
foot off the accelerator pedal,
apply the brakes gradually with
light force, and slowly move to
a safe position off the road.
WARNING

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Convenient features of your vehicle
3
Electronic ParkingBrake (EPB) WarningLight (if equipped)
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the EPB.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Information - Electronic
Parking Brake (EPB) Warning
Light
The Electronic Parking Brake (EPB)
Warning Light may illuminate when
the Electronic Stability control (ESC)
Indicator Light comes on to indicates
that the ESC is not working properly
(This does not indicate malfunction of
the EPB).
Master Warning Light
This indicator light illuminates
When there is a malfunction on the
low washer, Smart cruise control,
and so on.
To identify the details of the warning,
look at the LCD display.
Indicator Lights
Electronic Stability Control (ESC) IndicatorLight
This indicator light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the ESC system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
This indicator light blinks:
While the ESC is operating.
For more information, refer to
"Electronic Stability Control
(ESC)" in chapter 5.
i
EPB

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Convenient features of your vehicle
3
This indicator light illuminates for
2 seconds and goes off:
When the vehicle can not detect the
smart key which is in the vehicle
while the ignition switch or the
Engine Start/Stop button is ON.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
This indicator light blinks:
When the battery of the smart keyis weak.
- At this time, you can not start theengine. However, you can start the
engine if you press the ignition
switch or the Engine Start/Stop but-
ton with the smart key. (For more
information, refer to "Starting
the Engine" in chapter 5).
When there is a malfunction with the immobilizer system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Turn Signal IndicatorLight
This indicator light blinks:
When you turn the turn signal light
on.
If any of the following occurs, there
may be a malfunction with the turn
signal system. In this case, have your
vehicle inspected by an authorized
HYUNDAI dealer.
- The indicator light does not blinkbut illuminates.
- The indicator light blinks more rapidly.
- The indicator light does not illumi- nate at all.
High Beam IndicatorLight
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.
Smart High Beam indi-cator (if equipped)
This warning light illuminates :
When the high-Beam is on with the
light switch in the AUTO light posi-
tion.
If your vehicle detects oncoming or preceding vehicles, the Smart High
Beam system will switch the high
beam to low beam automatically.
For more information, refer to
"Smart High Beam" in this chap-
ter.

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Convenient features of your vehicle
Light ON IndicatorLight
This indicator light illuminates:
When the tail lights or headlights are
on.
Adaptive Front LightingSystem (AFLS) WarningLight (if equipped)
This warning light illuminates:
Once you set the Engine Start/
Stop Button to the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the AFLS.
If there is a malfunction with the
AFLS:
1. Drive carefully to a safe location and stop the vehicle.
2. Turn the engine off and restart the engine. If the indicator light
remains on, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Cruise Indicator Light(if equipped)
This indicator light illuminates:
When the cruise control system is
enabled.
For more information, refer to
"Cruise Control System" in chap-
ter 5.
Cruise SET IndicatorLight (if equipped)
This indicator light illuminates:
When the cruise control speed is set.
For more information, refer to
"Cruise Control System" in chap-
ter 5.
AUTO HOLD IndicatorLight (if equipped)
This indicator light illuminates:
[White] When you activate the auto
hold system by pressing the AUTO
HOLD button.
[Green] When you stop the vehicle completely by depressing the
brake pedal with the auto hold sys-
tem activated.
[Yellow] When there is a malfunc- tion with the auto hold system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
For more information, refer to
"Auto Hold" in chapter 5.
CRUISE
SET
AUTO
HOLD

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Convenient features of your vehicle
3
SPORT Mode IndicatorLight
This indicator light illuminates:
When you select "SPORT" mode as
drive mode.
For more information, refer to
"Drive Mode Integrated Control
System" in chapter 5.
ECO Mode IndicatorLight
This indicator light illuminates :
When you select "ECO" mode as
drive mode.
For more information, refer to
"LCD Display" in this chapter.
Lane Keeping AssistSystem (LKAS)Indicator Light(if equipped)
This indicator light illuminates:
[Green] When the system operat-
ing conditions are satisfied.
[White] The system operating con- ditions are not satisfied.
[Yellow] When there is a malfunc- tion with the lane keeping assist
system.
In this case, we recommend you to
have your vehicle inspected by an
authorized HYUNDAI dealer.
For more details, refer to "Lane
Keeping Assist System (LKAS)" in
chapter 5.
SPORT
Do not watch the ECO indicator
light while driving. This will dis-
tract you and may cause an
accident that results in severe
personal injury.
WARNING

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Convenient features of your vehicle
High beam operation
To turn on the high beam headlamp,
push the lever away from you. The
lever will return to its original position.
The high beam indicator will light
when the headlamp high beams are
switched on.
To turn off the high beam headlamp,
pull the lever towards you. The low
beams will turn on.To flash the high beam headlamp,
pull the lever towards you, then
release the lever. The high beams
will remain ON as long as you hold
the lever towards you.
Smart High Beam
(if equipped)
The Smart High Beam is a system
that automatically adjusts the head-
lamp range (switches between high
beam and low beam) according to
the brightness of other vehicles and
road conditions.
OLF044088N
OLF044090N
Do not use high beam when there
are other vehicles approaching
you. Using high beam could
obstruct the other driver's vision.
WARNING
OLF044089N

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Convenient features of your vehicle
3
Operating condition
1. Place the light switch in the AUTOposition.
2. Turn on the high beam by pushing the lever away from you.
The smart high beam ( ) indica- tor will illuminate.
3. The Smart High Beam will turn on when vehicle speed is above 28
mph (45km/h).
the Smart High Beam is operat-
ing, the Smart High Beam will
turn off and the high beam will
be on continuously. The smart
high beam ( ) indicator will
turn off.
when the Smart High Beam is
operating, the Smart High Beam
will turn off.
4. If the light switch is placed to the headlamp position, the Smart
High Beam will turn off and the
low beam will be on continuously. The high beam switches to low beam
in the below conditions.
- When the Smart High Beam is off.
- When the light switch is not in the
AUTO position.
- When the headlamp is detected from the on-coming vehicle.
- When the tail lamp is detected from the front vehicle.
- When the surrounding is bright enough high beams are not need-
ed.
- When streetlights or other lights are detected.
- When vehicle speed is below 18 mph (35km/h).
Warning light and message
When the Smart High Beam Assist
System is not working properly, the
warning message will come on for a
few second. After the message dis-
appears, the master warning light will
illuminate. Take your vehicle to an
authorized HYUNDAI dealer and
have the system checked.
OLF047692N/OLF047665
■ Warning message■ Master warning

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Convenient features of your vehicle
3
Turn signals and lane changesignals
To signal a turn, push down on the
lever for a left turn or up for a right
turn in position (A). To signal a lane
change, move the turn signal lever
slightly and hold it in position (B). The
lever will return to the OFF position
when released or when the turn is
completed.
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 replace-
ment.
Onetouch turn signal function
To activate an One Touch Turn Signal
function, move the turn signal lever
slightly 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 blinking (3, 5,
or 7) from the User Settings Mode
(Light) on the LCD display.
For more information, refer to the
"LCD Display" section in this
chapter.
OLF044091N
Do not place any accessories,
stickers or tint the windshield.
Have the windshield glass
replaced from an authorized
dealer.
Do not remove or impact relat-
ed parts of the Smart High
Beam system.
Be careful that water doesn’t
get into the Smart High Beam
unit.
Do not place objects on the
dashboard that reflects light
such as mirrors, white paper,
etc. The system may malfunc-
tion if sunlight is reflected.
At times, the Smart High
Beam system may not work
properly, always check the
road conditions for your safe-
ty. When the system does not
operate normally, manually
change between the high
beam and low beam.
WARNING