engine HYUNDAI SANTA FE HYBRID 2022 User Guide

Foreword / Hybrid System Overview
1-36
Plug-In Hybrid Mode (Plug-In
Hybrid Vehicle)
„EV/HEV button
OTMPHQ010012L
Pressing the [EV/HEV] button changes
the plug-in hybrid system modes,
between Electric (CD) mode and Hybrid
(CS) mode.
Each time the mode is changed a
corresponding indicator is displayed on
the instrument cluster as follows.
„AUTO mode ‡Type A ‡Type B
OTMPHQ010013LOTMPHQ010015L
„CS mode
‡Type A ‡Type B
OTMPHQ010014LOTMPHQ010016L
Plug-in hybrid mode indicator

[CD (Charge Depleting, Electric)
mode : The high-voltage (hybrid)
battery is used to drive the vehicle.

[ AUTO mode : CD mode and CS mode
are selected automatically depending
on road conditions.

[ CS (Charge Sustaining, Hybrid) mode :
The high-voltage (hybrid) battery and
gasoline engine is used to drive the
vehicle.
Information
Even when the battery charging rate is high and driving in electric mode is
possible, engine may turn on in some areas
to protect the system.

01
1-39
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
motor. - “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.
Charging Cable Connection
Indicator (Plug-in hybrid
vehicle)
This indicator illuminates in red when the
charging cable is connected. Service warning light
This warning light illuminates:

[
When you 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
(yellow)
This warning light illuminates:
When the regenerative brake does not
operate 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.

01
1-41
Check Hybrid system. Stop safely
OTMHQ010023N
This message is displayed when there
is a problem with the hybrid control
system. The “
” indicator will blink
and a warning chime will sound until the
problem is solved. Refrain from driving
when the warning message is displayed.
If this occurs, you have the vehicle
inspected by an authorized HYUNDAI
dealer.
Check Hybrid system. Do not start engine
OTMHQ010024N
This message is displayed when the
hybrid battery power (SOC) level is low.
A warning chime will sound until the
problem is solved. Refrain from driving
when the warning message is displayed.
If this occurs, you have the vehicle
inspected by an authorized HYUNDAI
dealer. Stop safely and check power supply
OTMHQ010025N
This message is displayed when a failure
occurs in the power supply system.
If this occurs, park the vehicle in a safe
location and tow your vehicle to the
nearest authorized HYUNDAI dealer and
have the vehicle inspected.
Check virtual engine sound system
OTMHQ010026N
This message is displayed when there is
a problem with the Virtual Engine Sound
System (VESS).
If this occurs, you have the vehicle
inspected by an authorized HYUNDAI
dealer.

Foreword / Hybrid System Overview
1-42
Refill inverter coolant
OTMHQ010028N
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Park with engine On to charge
battery
OTMHQ010029N
This message is displayed when the
hybrid battery power (SOC) level is low.
If this occurs, park the vehicle in a safe
location and wait until the hybrid battery
is charged. Start engine to avoid battery
discharge
OTMHQ010030N
This message is displayed to inform the
driver the 12V battery may be discharged
if the ignition switch is in ON position
(without the
indicator ON).
Set the vehicle to the ready (
) mode
to prevent the 12V battery from being
discharged.

01
1-43
Unplug vehicle to start (Plug-in
hybrid vehicle)
OAEPHQ049829L
This message is displayed when you
start the engine without unplugging the
charging cable. Unplug the charging
cable, and then start the vehicle. Charging stopped. Check the AC
chargerOOSEV048131L

[ This warning message is displayed
when charging is stopped for the
reasons below:
- There is a problem with the external AC charger
- The external AC charger stopped charging
- The charging cable is damaged
In this case, check whether there is
any problem with the external AC and
charging cable.
If the same problem occurs when
charging the vehicle with a normally
operating AC charger or genuine
HYUNDAI portable charger, we
recommend that you have your vehicle
inspected by an authorized HYUNDAI
dealer.

01
1-47
Low/High System Temp. Switching
to Hybrid mode (Plug-in hybrid
vehicle)
OAEPHQ049836LOAEPHQ049837L
This message is displayed when the
temperature of the high-voltage (hybrid)
battery is too low or high. This warning
message is to protect the battery and the
hybrid system.
Switching to Hybrid mode to
lubricate engine (Plug-in hybrid
vehicle)
OAEPHQ049838L
This message is displayed when the
vehicle is automatically switched to the
HEV mode to lubricate engine while the
ignition switch is in the ON position. Maintaining Hybrid mode to protect
engine (Plug-in hybrid vehicle)
OAEPHQ049839L
This message is displayed when
the [HEV] button is pressed but it is
impossible to switch from the HEV mode
to EV mode due to engine lubrication.
Exit SPORT mode to switch to EV
(Plug-in hybrid vehicle)
OAEPHQ049840L
This message is displayed when [HEV]
button is pressed but it is impossible to
switch from the HEV mode to EV mode
because the SPORT mode is engaged.

Foreword / Hybrid System Overview
1-48
Energy Flow
The hybrid system informs the drivers its
energy flow in various operating modes.
While driving, the current energy flow is specified in 11 modes.
Vehicle stop
OTMH040015N
The vehicle is stopped.
(No energy flow)
Electric mode
OTMHQ010003
Only the motor power is used to drive the
vehicle.
%DWWHU\
Ÿ:KHHO Hybrid mode
OTMHQ010004
Both the motor and the engine power are
used to drive the vehicle.
%DWWHU\ (QJLQH
Ÿ:KHHO
Fuel engine mode
OTMHQ010005
Only the engine power is used to drive
the vehicle.
(QJLQH
Ÿ:KHHO

01
1-49
Engine generation
OTMHQ010006
When the vehicle is stopped, the high-
voltage battery is charged up by the engine.
(QJLQH
Ÿ%DWWHU\
Regeneration
OTMHQ010007
The high-voltage battery is charged up
by the regenerative brake system.
:KHHO
Ÿ%DWWHU\ Engine brake
OTMHQ010008
The engine braking is used to decelerate
the vehicle.
:KHHO
Ÿ(QJLQH
Power reserve
OTMHQ010009
The engine is simultaneously used to
drive the vehicle and to charge up the
high-voltage battery.
(QJLQH
Ÿ:KHHO %DWWHU\

Foreword / Hybrid System Overview
1-50
Engine generation/motor drive
OTMHQ010010
The engine charges up the high-voltage
battery. The motor power is used to drive
the vehicle.
(QJLQH
Ÿ%DWWHU\
Ÿ:KHHO
Engine generation/regeneration
OTMHQ010011
The engine and regenerative brake
system charges up the high-voltage
battery.
(QJLQH :KHHO
Ÿ%DWWHU\ Engine brake/regeneration
OTMHQ010012
The engine braking is simultaneously
used to decelerate the vehicle and to
charge up the high-voltage battery.
:KHHO
Ÿ(QJLQH %DWWHU\

01
1-51
SAFETY PRECAUTIONS FOR HYBRID SYSTEM
Hybrid Vehicle Components
High voltage battery system
„HPCU (Hybrid Power Control Unit) *1
OTMPHQ011017N
„High voltage battery system *2
OTMHQ010014
„High voltage battery system *3 (Plug-in hybrid vehicle)
OTMPHQ010019L
*1 : Located in the engine compartment
*2 : Located under the floor
*3 : Located First Row Seat Outdoor
WARNING
Never touch orange colored or high
voltage labeled components, including
wires, cables, and connections. When
the insulators or covers are damaged or
removed, severe injury or death from
electrocution may occur.
WARNING
While replacing the fuses in the
engine compartment, never touch the
HPCU. The HPCU carries high voltage.
Touching the HPCU may result in
electrocution, serious injury, or death.
WARNING
In the hybrid system, the hybrid battery
uses high voltage to operate the motor
and other components. This high
voltage hybrid battery system can be
very dangerous.
Never touch the hybrid system. When
you touch the hybrid battery system,
serious injury or death may occur.
CAUTION

[ Do not pile up any items in an area
behind the high voltage battery. In
a crash, the battery may become
unstable, or its performance may
degrade.

[ Be careful when loading flammable liquid in the passenger compartment. It could cause
operational and safety degradation if
the liquid leaks and flows in the high
voltage battery.
„Drive motor *4
OTMPHQ011018N
*4 : Located in the engine compartment