2023 HYUNDAI TUCSON check engine

Instrument cluster
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
4-23
LCD Display Messages for
Vehicles Equipped with Smart
Key
Shift to P
This message is displayed if you try to
turn off the vehicle without the gear in
the P (Park) position.
If this occurs, the Engine Start/Stop
button turns to the ACC position.
Low key battery
When the Engine Start/Stop button
is pressed to turn OFF the engine,
this message may be displayed. This
message indicates that the internal
battery of the Smart Key is low. Consider
replacing the Smart Key internal battery.
Press START button while turning
wheel
This message is displayed if the steering
wheel does not unlock normally when
the Engine Start/Stop button is pressed.
You should press the Engine Start/Stop
button while turning the steering wheel
right and left.
Check steering wheel lock system
This message is displayed if the steering
wheel does not lock normally while the
Engine Start/Stop button is pressed to
the OFF position.
Press brake pedal to start engine
This 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
This message is displayed if the smart
key is not in the vehicle when you leave
the vehicle with the Engine Start/Stop
button in the ON or Start position.
Always turn off the engine before leaving
your vehicle.
Key not detected
This message is displayed if the smart
key is not detected when you press the
Engine Start/Stop button.
Press START button again
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, we recommend that you have
the vehicle inspected by an authorized
HYUNDAI dealer.

Instrument cluster
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.

Instrument cluster
4-26
Lights
„„Type A„„Type B
OJX1049007LOJX1049062L
This indicator displays which exterior
light is selected using the lighting
control.
You can activate or deactivate Wiper/
Lights display function from the User
Settings menu in the cluster LCD display.
Select:
-Setup → User settings → Cluster →
Wiper/Lights display
Wiper
„„Type A„„Type B
OJX1049008LOJX1049063L
This indicator displays which wiper speed
is selected using the wiper control.
You can activate or deactivate Wiper/
Lights display function from the User
Settings menu in the cluster LCD display.
Select:
-Setup → User settings → Cluster →
Wiper/Lights display
Low washer fluid (if equipped)
This message is displayed if the washer
fluid level in the reservoir is nearly empty.
Have the washer fluid reservoir refilled.
Low fuel
This message is displayed if the fuel tank
is almost out of fuel.
When this message is displayed, the low
fuel level warning light in the cluster will
come on.
It is recommended to look for the nearest
fueling station and refuel as soon as
possible.
Low engine oil
This warning message is displayed when
the engine oil level should be checked.
If this warning message is displayed,
check the engine oil level as soon as
possible and add engine oil as required.
Slowly pour the recommended oil little
by little into a funnel.
Use only the specified engine oil. (Refer
to "Recommended Lubricants and
Capacities“ section in chapter 2.)
Do not overfill the engine oil. Make sure
the oil level is not above F (Full) mark on
the dipstick.

04
4-27
Engine overheated / Engine has
overheated
This message is displayed when the
engine coolant temperature is above
248°F (120°C). This means that the
engine is overheated and may be
damaged.
If your vehicle is overheated, refer to
“Overheating” section in chapter 8.
Check headlight
This warning message is displayed if the
headlamps are not operating properly.
In addition, if a specific lamp(turn signal
lamp etc.) is not operating properly, the
warning message according to a specific
lamp (turn signal lamp etc.) is displayed.
A corresponding bulb may need to be
replaced.
Make sure to replace the burned out
bulb with a new one of the same wattage
rating.
Check turn signal
This message is displayed if the turn
signal lamps are not operating properly.
A lamp may need to be replaced.
Make sure to replace the burned out
bulb with a new one of the same wattage
rating.
Check headlamp LED
This message is displayed if there is a
problem with the LED headlamp. We
recommend that you have the vehicle
inspected by an authorized HYUNDAI
dealer.

Instrument cluster
4-38
4. Door
ItemsExplanation
Automatically
Lock
• Enable on Shift : All doors will be automatically locked if the shift button
is shifted from the P (Park) position to the R (Reverse), N (Neutral), or D
(Drive) position. (only when the engine is running.)
• Enable on Speed : All doors will be automatically locked when the vehicle
speed exceeds 9.3mph (15km/h).
• Off : The auto door lock operation will be deactivated.
Automatically Unlock
• On Shift to P: All doors will be automatically unlocked if the shift button is
shifted to the P (Park) position. (only when the engine is running.)
• On key out/On vehicle off : All doors will be automatically unlocked when
the ignition key is removed from the ignition switch or the Engine Start/
Stop button is set to the OFF position.
• Off : The auto door unlock operation will be canceled.
Power
LiftgateIf this item is checked, the power liftgate function will be activated.
For more details, refer to "Power liftgate" in chapter 5.
Power
Liftgate
Opening SpeedTo adjust the power liftgate speed.• Fast/Normal
For more details, refer to "Power liftgate" in chapter 5.
Smart
LiftgateTo activate or deactivate the smart liftgate.
For more details, refer to "Smart liftgate" in chapter 5.
5. Convenience
Items Explanation
Seat Easy
Access
• Off : The seat easy access function is deactivated.
• Normal/Extended : When you turn off the engine, the driver's seat will
automatically move rearward short (Normal) or long (Extended) for you to
enter or exit the vehicle more comfortably.
For more details, refer to "Driver Position Memory System" in chapter 5.
Rear
Occupant AlertTo activate or deactivate the Rear Occupant Alert.
For more details, refer to "Rear Occupant Alert (ROA) system" in chapter
5.
Welcome
Mirror/Light
• On door unlock : The side view mirrors are unfolded and the welcome
light turns on automatically when the doors are unlocked.
• On driver approach : The side view mirrors are unfolded and the welcome
light turns on automatically when the vehicle is approached with the
smart key.
For more details, refer to ''Welcome System'' in chapter 5."

04
4-41
• Manual reset
To clear the average fuel economy
manually, press the OK switch on the
steering wheel for more than 1 second
when the Average Fuel Economy is
displayed.
• Automatic reset
To automatically reset the average
fuel economy, select between ‘After
Ignition’ or ‘After Refueling’ from
the Settings menu in the instrument
cluster.
-After Ignition: When the engine has
been OFF for 3 minutes or longer
the average fuel economy will reset
automatically.
-After Refueling: The average fuel
economy will reset automatically
after adding 6 liters (1.6 gallons) of
fuel or more and after driving speed
exceeds 1 mph (1 km/h).
à For 10.25-inch instrument cluster, you
can check the fuel economy in the
center bottom of the cluster.
„„Type A„„Type B
OTMA040004OTMA040005
Drive info
Trip distance (1), average fuel economy
(2), and instant fuel economy (3) are
displayed.
The information is combined for each
ignition cycle. However, when the engine
has been OFF for 3 minutes or longer the
Drive Info screen will reset.
To reset manually, press the OK switch
on the steering wheel for more than 1
second when ‘Drive Info’ is displayed.
„„Type A„„Type B
OTMA040006OTMA040007
Since refuel(l)ing
Trip distance (1), average fuel economy
(2), and instant fuel economy (3) after the
vehicle has been refueled are displayed.
To reset manually, press the OK switch
on the steering wheel for more than
1 second when ‘Since Refueling’ is
displayed.