2020 Hyundai Tucson check engine

3-80
Convenient features of your vehicle
Warning messages (if equipped)
Shift to P position
(for smart key system and auto-
matic transmission/dual clutch
transmission)
This warning message illuminates if
you try to turn off the engine without
the shift lever in P (Park) position.
At this time, the Engine Start/Stop
button turns to the ACC position (If
you press the Engine Start/Stop but-
ton once more, it will turn to the ON
position).
Low key battery
(for smart key system)
This warning message illuminates if
the battery of the smart key is dis-
charged when the Engine Start/Stop
button changes to the OFF position.
Press START button whilst turn-
ing wheel (for smart key sys-
tem)
This warning message illuminates if
the steering wheel does not unlock
normally when the Engine Start/Stop
button is pressed.
It means that you should press the
Engine Start/Stop button whilst turn-
ing the steering wheel right and left.
Steering wheel unlocked
(for smart key system)
This warning message illuminates if
the steering wheel does not lock
when the Engine Start/Stop button
changes to the OFF position.
Check steering wheel lock
system (for smart key system)
This warning message illuminates if
the steering wheel does not lock nor-
mally when the Engine Start/Stop
button changes to the OFF position.
Press brake pedal to start
engine (for smart key system
and automatic transmission/
dual clutch transmission)
This warning message illuminates if
the Engine Start/Stop button
changes to the ACC position twice
by pressing the button repeatedly
without depressing the brake pedal.
It means that you should depress the
brake pedal to start the engine.
Press clutch pedal to start
engine (for smart key system
and manual transmission)
This warning message illuminates if
the Engine Start/Stop button is in the
ACC position twice by pressing the
button repeatedly without depressing
the clutch pedal.
Depress the clutch pedal to start the
engine.

3-81
Convenient features of your vehicle
3
Key not in vehicle
(for smart key system)
This warning message illuminates if
the smart key is not in the vehicle
when you press the Engine
Start/Stop button.
It means that you always have the
smart key with you.
Key not detected
(for smart key system)
This warning message illuminates if
the smart key is not detected when
you press the Engine Start/Stop but-
ton.
Press START button again
(for smart key system)
This warning message illuminates if
you can not operate the Engine
Start/Stop button when there is a
problem with the Engine Start/Stop
button system.
It means that you could start the
engine by pressing the Engine
Start/Stop button once more.
If the warning illuminates each time
you press the Engine Start/Stop but-
ton, we recommend that you have
the vehicle inspected by an autho-
rised HYUNDAI dealer.
Press START button with key
(for smart key system)
This warning message illuminates if
you press the Engine Start/Stop but-
ton whilst the warning message “Key
not detected” is illuminating.
At this time, the immobiliser indicator
light blinks.
Check BRAKE SWITCH fuse
(for smart key system and auto-
matic transmission/daul clutch
transmission)
This warning message illuminates if
the brake switch fuse is disconnect-
ed.
It means that you should replace the
fuse with a new one. If that is not
possible, you can start the engine by
pressing the Engine Start/Stop but-
ton for 10 seconds in the ACC posi-
tion.
Shift to P or N to start engine
(for smart key system and auto-
matic transmission/daul clutch
transmission)
This warning message illuminates if
you try to start the engine with the
shift lever not in the P (Park) or N
(Neutral) position.

3-82
Convenient features of your vehicle
Information
You can start the engine with the shift
lever in the N (Neutral) position.
However, for your safety, we recom-
mend that you start the engine with
the shift lever in the P (Park) position.
Door, Bonnet, Tailgate Open
It means that any door, bonnet, or
tailgate is open.
Sunroof Open (if equipped)
This warning message illuminates if
you turn off the engine when the sun-
roof is open.
i
Before driving the vehicle, you
should confirm that the
door/bonnet/tailgate are fully
closed. Also, check there is no
door/bonnet/tailgate open warn-
ing light or message displayed
on the instrument cluster.
CAUTION
OTLE048606OTLE048607

3-84
Convenient features of your vehicle
Turn on FUSE SWITCH
This warning message illuminates if
the fuse switch located in the fuse
box under the steering wheel is OFF.
It means that you should turn the
fuse switch on.
For more details, refer to “Fuses”
in chapter 7.
Heated Steering Wheel Off
(if equipped)
This message illuminates if the heat-
ed steering wheel has turned off
automatically approximately 30 min-
utes after the heated steering wheel
was turned on.
For more details, refer to “Heated
Steering Wheel” in this chapter.
Low washer fluid (if equipped)
This warning message illuminates on
the service reminder mode if the
washer fluid level in the reservoir is
nearly empty.
It means that you should refill the
washer fluid.
Low fuel
This warning message illuminates if
the fuel tank is nearly empty.
- When the low fuel level warning
light is illuminates.
- When the trip computer displays “---
km” as distance to empty.
Add fuel as soon as possible.
Engine has overheated
This warning message illuminates
with a warning chime when the
engine coolant temperature is above
120°C (248°F). This means that the
engine has overheated and may be
damaged.
If your vehicle has overheated,
refer to “Overheating” in chapter 6.
Check headlight (if equipped)
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 cor-
responding bulb may need to be
replaced.
Information
Make sure to replace the burned out
bulb with a new one of the same
wattage rating.
If not, this warning message will not
be displayed.
i
OIK057165L

3-85
Convenient features of your vehicle
3
Low engine oil (if equipped)
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 lit-
tle by little into a funnel. (Oil refill
capacity : approximately 0.6 ~ 1.0
l)
Use only the specified engine oil.
(Refer to "Recommended lubricants
and capacities" in chapter 8.)
Do not overfill the engine oil. Make
sure the oil level is not above F (Full)
mark on the dipstick.
Information
If you travel approximately 50 km
~100 km after the engine warms up,
after adding the engine oil, the warn-
ing message will disappear.If the message is displayed con-
tinuously after adding the engine
oil and travelling approximately
50~100 km after the engine warms
up, we recommend that the sys-
tem be checked by an authorised
HYUNDAI dealer.
Even if this message is not dis-
played after the engine has start-
ed, the engine oil level should be
periodically checked and topped
up if required.
Check HBA (High Beam Assist)
system (if equipped)
This warning message is displayed if
there is a problem with the High
Beam Assist (HBA) System. We rec-
ommend that you have the vehicle
inspected by an authorised
HYUNDAI dealer.
For more details, refer to "High
Beam Assist (HBA) System" in
chapter 3.
Check FCA (Forward Collision
Avoidance Asst.) (if equipped)
This warning message is displayed if
there is a malfunction with the
Forward Collision-Avoidance Assist
(FCA) system. We recommend that
you have the vehicle inspected by an
authorised HYUNDAI dealer.
For more details, refer to "Forward
Collision-Avoidance Assist (FCA)
system" in chapter 5.
NOTICE
i

3-86
Convenient features of your vehicle
Check DAW (Driver Attention
Warning) system (if equipped)
This warning message is displayed if
there is a problem with the Driver
Attention Warning (DAW) system. We
recommend that you have the vehicle
inspected by an authorised HYUNDAI
dealer.
For more details, refer to "Driver
Attention Warning (DAW) system"
in chapter 5.
Check FCW (Forward Collision
Warning) system (if equipped)
This warning message is displayed if
there is a problem with the Forward
Collision Warning (FCW) system. We
recommend that you have the vehicle
inspected by an authorised HYUNDAI
dealer.
For more details, refer to "Forward
Collision-Avoidance Assist (FCA)
system" in chapter 5.
Check LKA (Lane Keep Assist)
system (if equipped)
This warning message is displayed if
there is a problem with the Lane
Keeping Assist (LKA) system. We
recommend that you have the vehicle
inspected by an authorised HYUNDAI
dealer.
For more details, refer to "Lane
Keeping Assist (LKA) system" in
chapter 5.
Check BCW (Blind-Spot
Collision Warning) system
(if equipped)
This warning message is displayed if
there is a problem with the Blind-
Spot Collision Warning system. We
recommend that you have the vehi-
cle inspected by an authorised
HYUNDAI Dealer.
For more details, refer to "Blind-
Spot Collision Warning" in chapter
5.
Check exhaust system
(Diesel Particulate Filter (DPF)
warning for diesel engine)
This warning message illuminates if
the DPF system has a malfunction.
at this time, DPF warning light also
blinks.
In this case, we recommend that you
have the DPF system checked by an
authorised HYUNDAI dealer.
For more details, refer to "Warning
lights" in this chapter.

3-92
Convenient features of your vehicle
Parking Brake & Brake
Fluid Warning 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 3
seconds
- It remains on if the parking brake
is applied.
When the parking brake is applied.
When the brake fluid level in the
reservoir is low.
- If the warning light illuminates
with the parking brake released, it
indicates the brake fluid level in
reservoir is low.
If the brake fluid level in the reser-
voir is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. With the engine stopped, check
the brake fluid level immediately
and add fluid as required (For
more details, refer to “Brake
Fluid” in chapter 7). Then check
all brake components for fluid
leaks. If any leak in the brake sys-
tem is still found, the warning light
remains on, or the brakes do not
operate properly, do not drive the
vehicle.
In this case, we recommend that
you have the vehicle towed to an
authorised HYUNDAI dealer and
inspected.
Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail.
With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure are
required to stop the vehicle.
Also, the vehicle will not stop in as
short a distance with only a portion
of the brake system working.
If the brakes fail whilst you are driv-
ing, shift to a lower gear for addition-
al engine braking and stop the vehi-
cle as soon as it is safe to do so.

3-96
Convenient features of your vehicle
Charging System
Warning 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 is
started.
When there is a malfunction with
either the alternator or electrical
charging system.
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
electrical charging system.
In this case, we recommend that
you have the vehicle inspected by
an authorised HYUNDAI dealer as
soon as possible.
Engine Oil Pressure
Warning 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 is
started.
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 details,
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 or if oil is not avail-
able, we recommend that you
have the vehicle inspected by an
authorised HYUNDAI dealer as
soon as possible.