warning light HYUNDAI TUCSON 2023 Owner's Manual

04
4-13
NOTICE
• If the engine does not stop
immediately after the Engine Oil
Pressure warning light is illuminated,
severe damage could result.
• If the warning light stays on while the
engine is running, it indicates that
there may be serious engine damage
or malfunction. In this case:
1. Stop the vehicle as soon as it is
safe to do so.
2. Turn off the engine and check the
oil level. If the oil level is low, fill
the engine oil to the proper level.
3. Start the engine again. If the
warning light stays on after the
engine is started, turn the engine
off immediately. If this occurs,
we recommend that you have
the 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.
NOTICE
Driving with the Low Fuel Level
warning light on or with the fuel level
below "E" or "- - -" on the Distance to
Empty indicator can cause the engine
to misfire and damage the catalytic
converter.
Malfunction Indicator Lamp
(MIL)
This indicator light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
-The malfunction indicator light
illuminates for about 3 seconds and
then goes off.
• Whenever there is a malfunction with
either the emission control system or
the engine or the vehicle powertrain.
If the MIL warning light remains
illuminated while driving, have the
vehicle inspected by an authorized
HYUNDAI dealer.
• If enhanced engine protection system
becomes activated due to lack of
engine oil, engine power will be
limited. If such condition continues
repeatedly, The Malfunction Indicator
Lamp will illuminate.

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4-14
NOTICE
• Driving with the Malfunction
Indicator Lamp (MIL) on may cause
damage to the emission control
system which could affect drivability
and/or fuel economy.
• If the enhanced engine protection
system becomes activated due to
lack of engine oil, engine power
will be limited. If such condition
continues repeatedly, the
Malfunction Indicator Lamp will
illuminate.
NOTICE
If the Malfunction Indicator Lamp
(MIL) illuminates, potential catalytic
converter damage is possible which
could result in loss of engine power.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer as soon as
possible.
Exhaust system (GPF)
warning light (for gasoline
engine, if equipped)
• This warning light illuminates, when
accumulated soot reaches a certain
amount.
• When this warning light illuminates, it
may turn off after driving the vehicle
at more than 50 mph (80km/h) for
about 30 minutes (above 3rd gear
with 1500 ~ 4000 engine RPM).
If this warning light blinks in spite
of the procedure (at this time LCD
warning message will be displayed),
we recommend that you have the
GPF system checked by an authorized
HYUNDAI dealer.
NOTICE
If you continue to drive with the GPF
warning light blinking for a long time,
the GPF system can be damaged and
fuel consumption can worsen.

04
4-15
Electronic Parking Brake
(EPB) warning light
This warning light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
-The EPB warning light illuminates
for about 3 seconds and then goes
off.
• Whenever there is a malfunction with
EPB.
If the EPB warning light remains
illuminated while driving, have the
vehicle inspected by an authorized
HYUNDAI dealer.
Information
The Electronic Parking Brake (EPB)
warning light may illuminate when
the Electronic Stability Control (ESC)
indicator light comes on to indicate that
ESC is not working properly. This does
not indicate malfunction of EPB.
AUTO HOLD indicator light
This indicator light illuminates:
• [White] When you activate Auto Hold
by pressing the AUTO HOLD switch.
• [Green] When you stop the vehicle
completely by depressing the brake
pedal with Auto Hold activated.
• [Yellow] Whenever there is a
malfunction with the Auto Hold
function.
If the AUTO HOLD indicator light
remains YELLOW while driving, have
the vehicle inspected by an authorized
HYUNDAI dealer.
For more details, refer to “Electronic
Parking Brake (EPB)” section in chapter
6.
Low tire pressure warning
light
This warning light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- The low tire pressure warning light
illuminates for approximately 3
seconds 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 details, refer to “Tire Pressure
Monitoring System (TPMS)” section in
chapter 8.
This warning light remains ON after
blinking for approximately 60 seconds, or
repeatedly blinks ON and OFF in 3 second
intervals:
When there is a malfunction with the
TPMS.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer as soon as
possible.
For more details, refer to “Tire Pressure
Monitoring System (TPMS)” section in
chapter 8.
WARNING
Safe Stopping
• The TPMS cannot alert you to severe
and sudden tire damage caused by
external factors.
• If you notice any vehicle instability,
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.

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4-16
Forward Safety warning light
This warning light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
-The Forward Safety warning light
illuminates for approximately 3
seconds and then goes off.
• Whenever there is a malfunction with
Forward Collision-Avoidance Assist.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
For more details, refer to “Forward
Collision-Avoidance Assist (FCA)”
section in chapter 7.
Lane Safety indicator light
This indicator light illuminates:
• [Green] When the system operating
conditions are satisfied.
• [White] When the system operating
conditions are not satisfied.
• [Yellow] Whenever there is a
malfunction with Lane Keeping Assist.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
For more details, refer to “Lane Keeping
Assist (LKA)” section in chapter 7.
4 Wheel Drive (AWD) warning
light
This warning light illuminates:
Whenever there is a malfunction with the
AWD system.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
For more details, refer to “4 Wheel Drive
(AWD)” section in chapter 6.

04
4-17
4 Wheel Drive (AWD) LOCK
Indicator Light
This indicator light illuminates:
• Once 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 you select AWD Lock mode by
pressing the AWD LOCK button.
-The AWD LOCK mode is to increase
the drive power when driving on
wet pavement, snow covered roads
and/or off-road.
NOTICE
Do not use AWD LOCK mode on dry
paved roads or highway, it can cause
noise, vibration or damage of AWD
related parts.
LED headlight warning light
This warning light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
-The LED headlight warning light
illuminates for approximately 3
seconds and then goes off.
• Whenever there is a malfunction with
the LED headlight.
If the LED headlight warning light
remains illuminated while driving,
have the vehicle inspected by an
authorized HYUNDAI dealer.
This warning light blinks:
Whenever there is a malfunction with a
LED headlight related part.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
NOTICE
Continuous driving with the LED
Headlight warning light on or blinking
can reduce LED headlight life.

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4-18
Icy road warning light
This warning light is to warn the driver
the road may be icy.
When the temperature on the outside
temperature gauge is approximately
below 4°C (40°F), the Icy Road warning
light and Outside Temperature Gauge
blinks and then illuminates. Also, the
warning chime sounds 1 time.
You can activate or deactivate Icy Road
Warning function from the User Settings
menu in the cluster LCD display.
Select:
-Setup → User Settings → Cluster → Icy
Road Warning
Information
If the Icy Road warning light appears
while driving, you should drive more
attentively and safely refraining from
over-speeding, rapid acceleration, sudden
braking or sharp turning, etc.
Electronic Stability Control
(ESC) indicator light
This indicator light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
-The Electronic Stability Control
indicator light illuminates for about
3 seconds and then goes off.
• Whenever there is a malfunction with
ESC system.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
This indicator light blinks:
While ESC is operating.
For more details, refer to “Electronic
Stability Control (ESC)” section in
chapter 6.
Electronic Stability Control
(ESC) OFF indicator light
(if equipped)
This indicator light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- The ESC OFF indicator light
illuminates for approximately 3
seconds and then goes off.
• When you deactivate ESC system by
pressing the ESC OFF button.
For more details, refer to “Electronic
Stability Control (ESC)” section in
chapter 6.

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4-20
Downhill Brake Control (DBC)
indicator light
This indicator light illuminates:
• When you set the ignition switch or
the Engine Start/Stop button to the
ON position.
-The downhill brake control indicator
light illuminates for about 3 seconds
and then goes off.
• When you activate the system by
pressing the DBC button.
This indicator light blinks:
When Downhill Brake Control system is
operating.
This indicator light illuminates yellow:
Whenever there is a malfunction with
Downhill Brake Control system.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
For more details, refer to "Downhill
Brake Control (DBC)“ section in chapter
6.
IDLE STOP & GO (ISG)
indicator light
This indicator light illuminates:
When the engine enters the Idle Stop
mode of ISG (Idle Stop and Go) system.
When the engine automatically starts,
the IDLE STOP & GO (ISG) indicator on
the cluster Illuminates to white.
For more details, refer to "ISG (Idle Stop
and Go) system" section in chapter 6.
Information
When the engine automatically starts
by the ISG system, some warning lights
(ABS, ESC, ESC OFF, EPS or Parking
brake warning light) may turn on for a
few seconds. This happens because of
low battery voltage. It does not mean the
system has malfunctioned.

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4-22
SPORT Mode Indicator Light
This indicator light illuminates
When you select "SPORT" mode as drive
mode.
For more details, refer to "Drive Mode
Integrated Control System" in chapter
6.
SMART Mode Indicator Light
This indicator light illuminates:
When you select ''SMART" mode as drive
mode.
For more details, refer to "Drive Mode
Integrated Control System'' in chapter
6.
Master warning light
This warning light illuminates:
When there is a malfunction in operation
in any of the following systems:
-Forward Collision-Avoidance Assist
malfunction (if equipped)
-Forward Collision-Avoidance Assist
radar blocked (if equipped)
-Blind-Spot Collision Warning
malfunction (if equipped)
-Blind-Spot Collision Warning radar
blocked (if equipped)
-LED headlamp malfunction
(if equipped)
-High Beam Assist malfunction
(if equipped)
-Smart Cruise Control with Stop & Go
malfunction (if equipped)
-Smart Cruise Control with Stop & Go
radar blocked (if equipped)
-Tire Pressure Monitoring System
(TPMS) malfunction
To identify the details of the warning,
look at the LCD display.

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4-24
Press START button with key
This 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
This 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.
Shift to P or N to start engine
This message is displayed if you try to
start the engine in any other position
except P (Park) or N (Neutral).
Information
You can start the engine with the gear
in N (Neutral). But, for your safety, we
recommend that you start the engine with
the gear shifted to P (Park).
Battery discharging due to external
electrical devices
This message is displayed if the vehicle
battery voltage is low or if a current draw
is detected that could drain the vehicle
battery.
Check to see that there are no non-
factory external electronic devices
connected to the vehicle battery system,
otherwise battery discharge may occur.
If this message appears in the LCD
cluster and there are no other non-
factory electronic devices connected to
the vehicle, have the vehicle inspected
by an authorized HYUNDAI dealer.

04
4-25
Door, Hood, Liftgate open indicator
ONX4040009
This warning is displayed if any door or
hood or 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 indicator (if equipped)
ONX4040010
This warning is displayed if you turn off
the engine when the sunroof is open.
Close the sunroof securely before leaving
your vehicle.
Low tire pressure
ONX4E040019
This warning message is displayed if the
tire pressure is low. The corresponding
tire on the vehicle will be illuminated.
For more details, refer to “Tire Pressure
Monitoring System (TPMS)” section in
chapter 8.