2023 HYUNDAI SANTA FE check engine light

Seats & Safety System3-50
How does the air bags system
operate?
OTMH030008N
The SRS consists of the following
components:
(1) Driver's front air bag module
(2) Passenger's front air bag module
(3) Side air bag modules
(4) Curtain air bag modules
(5) Retractor pre-tensioner
(6) Air bag warning light
(7) SRS control module (SRSCM)/ Rollover sensor
(8) Front impact sensors
(9) Side impact sensors
(10) Side pressure sensors
(11) Seat belt buckle sensor
(12) Emergency fastening device system
(13) Occupant classification system
The SRSCM continually monitors all SRS
components while the ignition switch
is ON to determine if a crash impact
is severe enough to require air bag
deployment or pre-tensioner seat belt
deployment.
SRS warning light
The SRS (Supplemental Restraint System)
air bag w
arning light on the instrument
panel displays the air bag symbol
depicted in the illustration. The system
checks the air bag electrical system for
malfunctions. The light indicates that
there is a potential problem with your
air bag system, which could include
your side and/or curtain air bags used
for rollover protection (if equipped with
rollover sensor).
WARNING
If your SRS malfunctions, the air bag
may not inflate properly during an
accident, increasing the risk of serious
injury or death.
If any of the following conditions occur,
your SRS is malfunctioning:

[ The light does not turn on for
approximately three to six seconds
when the Engine Start/Stop button is
in the ON position.

[ The light stays on after illuminating
for approximately three to six
seconds.

[ The light comes on while the vehicle
is in motion.

[ The light blinks when the engine is
running.
Have an authorized HYUNDAI dealer
inspect the SRS as soon as possible if
any of these conditions occur.

4
AUTO STOP indicator light ........................................................................\
..............4-20
Turn signal indicator light ........................................................................\
.................4-21
High beam indicator light ........................................................................\
................4-21
High Beam Assist indicator light ........................................................................\
......4-21
Cruise Indicator Light ........................................................................\
.......................4-21
SPORT Mode Indicator Light ........................................................................\
........... 4-22
ECO Mode Indicator Light ........................................................................\
............... 4-22
SMART Mode Indicator Light ........................................................................\
.......... 4-22
Master warning light ........................................................................\
........................ 4-22
LCD display messages ........................................................................\
....................... 4-23 Shift to P (for smart key system) ........................................................................\
..... 4-23
Low key battery (for smart key system).................................................................. 4-23
Press START button while turning wheel (for smart key system) ......................... 4-23
Check steering wheel lock system
(for smart key system) ........................................................................\
..................... 4-23
Press brake pedal to start engine (for smart key system) .................................... 4-23
Key not in vehicle (for smart key system) ............................................................... 4-23
Key not detected (for smart key system)................................................................ 4-23
Press START button again (for smart key system) ................................................ 4-23
Press START button with key (for smart key system) ........................................... 4-24
Check BRAKE SWITCH fuse (for smart key system) ............................................. 4-24
Shift to P or N to start engine (for smart key system) .......................................... 4-24
Battery discharging due to external electrical devices ......................................... 4-24
Door, Hood, Liftgate open indicator ....................................................................... 4-25
Sunroof open indicator ........................................................................\
.................... 4-25
Low tire pressure ........................................................................\
............................. 4-25
Lights .................................................................\
....................................................... 4-26
Wiper ..................................................................\
......................................................4 -26
Low washer fluid ........................................................................\
..............................4-26
Low fuel ........................................................................\
............................................4-26
Low engine oil ........................................................................\
..................................4-26
Engine overheated / Engine has overheated ......................................................... 4-27
Check exhaust system ........................................................................\
..................... 4-27
Check headlight ........................................................................\
............................... 4-27
Check turn signal ........................................................................\
............................. 4-27
Check headlight LED ........................................................................\
....................... 4-27
Check Forward Collision-Avoidance Assist system ...............................................4-28
Check Lane Keeping Assist system ........................................................................\
4-28
Check Blind-Spot Collision Warning system..........................................................4-28
Check Driver Attention Warning system ................................................................4-28
Check High Beam Assist system ........................................................................\
.....4-28
Check Smart Cruise Control system .......................................................................4-28

Instrument cluster4-10
Warning and indicator lights
Information
Make sure that all warning lights are OFF
after starting the engine. If any light is still
ON, this indicates a situation that needs
attention.
Seat belt warning light
This warning light informs the driver that
the seat belt is not fastened.
For more details, refer to “Seat Belts”
section in chapter 3.
Air bag warning light
This warning light illuminates:

[ When y
ou turn the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3~6 seconds and then goes off.

[ When there is a malfunction with the
SRS.
In this case, have the vehicle
inspected by an authorized HYUNDAI
dealer.
Parking brake & Brake fluid
warning light
This warning light illuminates:

[When y
ou set the ignition switch or
the Engine Start/Stop button to the
ON position.
- The parking brake & brake fluid warning light illuminates for about 3
seconds and will then turn off once
the parking brake is released.

[ Whenever the parking brake is
applied.

[ Whenever 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 the
reservoir is low.
If the brake fluid level in the reservoir is
low:
1. Drive carefully to the nearest safe loca
tion 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” section in
chapter 9). After adding brake fluid,
check all brake components for fluid
leaks. If a brake fluid leak is found, or
if the warning light remains on, or if
the brakes do not operate properly, do
not drive the vehicle. Have the vehicle
inspected by an authorized HYUNDAI
dealer.

Instrument cluster4-12
WARNING
Electronic Brake Force Distribution
(EBD) system warning light
When both ABS and Parking Brake &
Brake Fluid warning lights are on, the
brake system will not work normally
and you may experience an unexpected
and dangerous situation during sudden
braking.
If this occurs, avoid high speed driving
and abrupt braking.
Have the vehicle inspected by an
authorized HYUNDAI dealer as soon as
possible.
NOTICE
Electronic Brake Force Distribution
(EBD) system warning light
When the ABS warning light is on
or both ABS and Parking Brake &
Brake Fluid warning lights are on, the
speedometer, odometer, or tripmeter
may not work. Also, the EPS warning
light may illuminate and the steering
effort may increase or decrease.
If this occurs, have the vehicle
inspected by an authorized HYUNDAI
dealer as soon as possible.
Electric Power Steering (EPS)
warning light
This warning light illuminates:

[ When y
ou set the ignition switch or
the Engine Start/Stop button to the
ON position.
- The electric power steering warning light illuminates for about 3 seconds
and then goes off.

[ Whenever there is a malfunction with
the electric power steering.
If this occurs, have the vehicle
inspected by an authorized HYUNDAI
dealer.
Charging system warning
light
This warning light illuminates:
When there is a malfunction with either
the alt

ernator or electrical charging
system.
If there is a malfunction with either the
alternator
or electrical charging system:
1. Drive carefully to the nearest safe loca
tion 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.
If this occurs, have the vehicle
inspected by an authorized HYUNDAI
dealer as soon as possible.

04
4-13
Engine oil pressure warning
light
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe loca
tion and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more details,
refer to “Engine Oil” section in
chapter 9). If the level is low, add oil
as required.
If the warning light remains on after
adding oil or if oil is not available, have
the vehicle inspected by an authorized
HYUNDAI dealer as soon as possible.
Continued driving with the warning light
on may cause engine failure.
Information
When engine oil pressure decreases due to
insufficient engine oil, etc., the Engine Oil
Pressure warning light will illuminate. In
addition, the enhanced engine protection
system which limits engine power will
be activated. If the engine oil pressure is
restored, the Engine Oil Pressure warning
light and the enhanced engine protection
system will turn off. However, for gasoline
2.5 turbo engine and 2.5 gdi engine, when
the engine oil pressure is restored, the
warning light and the enhanced engine
protection system will turn off after the
engine is restarted.
NOTICE
If the engine is not stopped
immediately after the Engine Oil
Pressure warning light is illuminated,
severe damage could result.
Low fuel level warning light
This warning light illuminates:
When the fuel tank is nearly empty.
A
dd fuel as soon as possible.
NOTICE
Driving with the Low Fuel Level warning
light on or with the fuel level below “E
or 0” can cause the engine to misfire
and damage the catalytic converter.

Instrument cluster4-14
Malfunction Indicator Lamp
(MIL)
This indicator light illuminates:

[ When y
ou 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 this occurs, have the vehicle
inspected by an authorized HYUNDAI
dealer.
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, 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),
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.

Instrument cluster4-24
Press START button with key
(for smart key system)
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
(for smart key system)
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 to start engine
(for smart key system)
This message is displayed if you try to
start the engine in any other position
except P (Park).
Battery discharging due to external
electrical devices (if equipped)
This message is displayed if the 12V
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 message appears after removing
the non-factory electrical accessories,
have the vehicle inspected by an
authorized HYUNDAI dealer.

04
4-25
Door, Hood, Liftgate open indicator
OTM040032
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 are
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)
OTM040034
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
OTM040022L
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.