2023 HYUNDAI SANTA FE HYBRID check engine light

Foreword / Hybrid System Overview1-10
Starting the Vehicle
Vehicles with smart key system
1. Carry the smart key or leave it inside the vehicle.
2. Make sure the parking brake is firmly applied.
3. Make sure the shift button is in P (Park). With the shift button in N
(Neutral), you cannot start the vehicle.
4. Depress the brake pedal.
5. Press the Engine Start/Stop button. If the hybrid system starts, the “
”
indicator will come on.
Whether the engine is cold or warm, it
should be started without depressing
the accelerator.
After following the start procedures,
“
” indicator on the instrument
cluster will turn on. For more details,
please check chapter 6.
ECONOMICAL and SAFE OPERATION of
Hybrid system

[ Drive smoothly. Accelerate at a
moderate rate and maintain a steady
cruising speed. Do not make “jack-
rabbit” starts. Do not race between
stoplights.
Avoid heavy traffic whenever possible.
Always maintain a safe distance
from other vehicles so you can
avoid unnecessary braking. This also
reduces brake wear out.

[ The regenerative brake generates
energy when the vehicle decelerates.

[ When the hybrid battery power is
low, the hybrid system automatically
recharges the hybrid battery.

[ When the engine is running with the
shift button in N (Neutral), the hybrid
system cannot generate electricity.
The hybrid battery cannot recharge
with the shift button in N (Neutral).
Information
In the hybrid system, the engine
automatically runs and stops. When
the hybrid system operates, the “
”
indicator is illuminated.
In the following situation, the engine may
operate automatically.
- When the engine is ready to run
- When the hybrid battery is being
charged
- Depending on the temperature
condition of the hybrid battery
Special Features
Hybrid vehicles sound different than
gasoline engine vehicles. When the
hybrid system operates, you may
hear a sound from the hybrid battery
system under the floor. If you apply
the accelerator pedal rapidly, you may
hear an unconventional sound. When
you apply the brake pedal, you may
hear a sound from the regenerative
brake system. When the hybrid system
is turned off or on, you may hear a
sound in the engine compartment. If
you depress the brake pedal repeatedly
when the hybrid system is turned on,
you may hear a sound in the engine
compartment. None of these sounds
indicate a problem. These are normal
characteristics of hybrid vehicles.
If any of following occur, it’s a normal
condition if you hear a motor sound in
the engine compartment:
- After turning off the hybrid system, the brake pedal is released.
- When the hybrid system is turned off, the brake pedal is applied.
- When the driver door is opened.
DRIVING THE HYBRID VEHICLE

01
1-13
Warning and Indicator Lights
Ready indicator
This indicator illuminates:
When the vehicle is ready to be driven. -
ON : Normal driving is possible.
- OFF : Normal driving is not possible, or a problem has occurred.
- Blinking : Emergency driving.
When the ready indicator goes OFF
or blinks, there is a problem with the
system. If this occurs, you have your
vehicle inspected by an authorized
HYUNDAI dealer.
EV mode indicator
This indicator illuminates:
When the vehicle is driven by the electric
mo
tor.
- “EV” indicator ON : Vehicle is driven using the electric motor or the
gasoline engine is stopped.
- “EV” indicator OFF : Vehicle is driven using the gasoline engine.
Service warning light
This warning light illuminates:

[ When y
ou set the ignition switch or
the Engine Start/Stop button to the
ON position.

- The service warning light illuminates
for approximately 3 seconds and
then turns off when all checks have
been performed.

[ When there is a problem with the
hybrid vehicle control system or
hardware.
When the warning light illuminates
while driving, or does not go OFF after
starting the vehicle, you have the vehicle
inspected by an authorized HYUNDAI
dealer.
Regenerative brake warning
light
This warning light illuminates:
When the regenerative brake does not
oper
ate and the brake does not perform
well. This causes the Brake Warning
light (red) and Regenerative Brake
Warning Light (yellow) to illuminate
simultaneously.
If this occurs, drive safely and have
your vehicle inspected by an authorized
HYUNDAI dealer. The operation of the
brake pedal may be more difficult than
normal and the braking distance may
increase.

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.
An authorized HYUNDAI dealer inspect
the SRS as soon as possible if any of
these conditions occur.

4
Electronic Stability Control (ESC) OFF indicator light ........................................... 4-19
Immobilizer indicator light (with smart key) ..........................................................4-20
Immobilizer indicator light (with smart key) ..........................................................4-20
Downhill Brake Control (DBC) indicator light .........................................................4-21
Turn signal indicator light ........................................................................\
.................4-21
High beam indicator light ........................................................................\
................4-21
Low beam indicator light ........................................................................\
................ 4-22
Light ON indicator light ........................................................................\
................... 4-22
High Beam Assist indicator light ........................................................................\
..... 4-22
Cruise indicator light ........................................................................\
....................... 4-22
Speed Limiter indicator light........................................................................\
........... 4-22
SPORT Mode indicator light ........................................................................\
............ 4-22
ECO Mode indicator light ........................................................................\
................ 4-22
SMART Mode indicator light ........................................................................\
........... 4-22
LCD Display Messages ........................................................................\
....................... 4-23 Shift to P ........................................................................\
........................................... 4-23
Low key battery ........................................................................\
................................ 4-23
Press START button while turning wheel ............................................................... 4-23
Check steering wheel lock system ........................................................................\
. 4-23
Press brake pedal to start engine ........................................................................\
... 4-23
Key not in vehicle ........................................................................\
............................. 4-23
Key not detected ........................................................................\
.............................. 4-23
Press START button again ........................................................................\
............... 4-23
Press START button with key ........................................................................\
........... 4-24
Check BRAKE SWITCH fuse ........................................................................\
............ 4-24
12V battery discharging due to additional electrical devices ............................... 4-24
Door, Hood, Liftgate open indicator ....................................................................... 4-24
Sunroof open indicator ........................................................................\
.................... 4-25
Low pressure ........................................................................\
.................................... 4-25
Wiper/Lights display ........................................................................\
........................ 4-25
Low washer fluid ........................................................................\
.............................. 4-25
Low fuel ........................................................................\
............................................ 4-25
Engine has overheated ........................................................................\
....................4-26
Check exhaust system ........................................................................\
.....................4-26
Check headlight ........................................................................\
...............................4-26
Check turn signal ........................................................................\
.............................4-26
Check brake light ........................................................................\
.............................4-26
Check headlamp LED ........................................................................\
......................4-26
Check Active Air Flap system ........................................................................\
..........4-26
Ready to start driving ........................................................................\
......................4-26
Check regenerative brakes......................................................................\
................4-26
Stop vehicle and check brakes ........................................................................\
....... 4-27

04
4-7
Hybrid battery SOC (State of Charge)
gauge
„4.2-Inch„12.3-Inch
OTMH040005NOCN7H040003
This gauge indicates the remaining
hybrid battery power. If the SOC is near
the “0 or L (Low)” level, the vehicle
automatically operates the engine to
charge the battery.
However, if the Service Indicator (
)
and Malfunction Indicator Lamp (MIL)
(
) turn on when the SOC gauge is
near the “0 or L (Low)” level, the vehicle
be checked by an authorized HYUNDAI
dealer.
NOTICE
Never try to start the vehicle if the fuel
tank is empty. In this condition, the
engine cannot charge the high voltage
battery of the hybrid system. If you
try to start the vehicle when the fuel
is empty, the high voltage battery will
become discharged and be damaged.
Outside temperature gauge
„4.2-Inch
OTMA048112
„12.3-Inch
OTMA040008
This gauge indicates the current outside
air temperatures by 1°F (1°C).
Note that the temperature indicated
on the LCD display may not change
as quickly as the outside temperature
(there may be a slight delay before the
temperature changes.)
You can change the temperature unit
from the Settings menu in the Cluster.
Select:
- 6HWXS

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 set the ignition switch or
the Engine Start/Stop button to the
ON position.

- The air bag warning light illuminates
for about 3 ~ 6 seconds and then
turns off when all checks have been
performed.

[ The air bag warning light will remain
illuminated if there is a malfunction
with the Safety Restraint System (SRS)
air bag operation.
If this occurs, you 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 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.

[ Whenever the regenerative brake
does not operate.
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. you have the
vehicle inspected by an authorized
HYUNDAI dealer.

Instrument Cluster4-12
Electronic Brake Force
Distribution (EBD) system
warning light
When the ABS warning and
Parking Brake warning lights are on
simultaneously, it may indicate a
problem with the Electronic Brake Force
Distribution system.
If this occurs, you have the vehicle
inspected by an authorized HYUNDAI
dealer.
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.
You have the vehicle inspected by an
authorized HYUNDAI dealer as soon as
possible.
Information - 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, you 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 EPS.
If this occurs, you take your vehicle
to an authorized HYUNDAI dealer or
a service station and have the system
checked as soon as possible.

Instrument Cluster4-14
Charging system warning
light
This warning light illuminates:
When the battery is not being charged
while the engine is running. Immedia
tely
turn OFF all electrical accessories. Try
not to use electrically operated controls,
such as the power windows. Keep the
engine running.
You have the vehicle inspected by an
authorized HYUNDAI dealer as soon as
possible.
Engine oil pressure warning
light
This warning light illuminates:
When 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” 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.
NOTICE
If the engine is not stopped
immediately after the Engine Oil
Pressure warning light is illuminated,
severe damage could result.