2018 Hyundai Ioniq Hybrid Rear seat

H27
Information
In the hybrid system, the engine auto-
matically 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 con-
dition 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 behind the rear seat. 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 compart-
ment. None of these sounds indicate
a problem. These are normal charac-
teristics 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.
When the hybrid system is turned
ON, the engine may run or may not.
In this situation, you may feel a vibra-
tion. This does not indicate a mal-
function. When the “ ” indicator
illuminates, the hybrid system is ready
to start. Even if the engine is off, you
can operate the vehicle as long as the
“ ” indicator is illuminated.
i

H47
High Voltage Battery System
OAEPHQ016040L
Never touch orange colored or
high voltage labeled compo-
nents, including wires, cables,
and connections. When the insu-
lators 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 car-
ries high voltage. Touching the
HPCU may result in electrocu-
tion, serious injury, or death.
WARNING OAEQ046019
■ High voltage battery system *2■ HPCU (Hybrid Power Control Unit) *1
SAFETY PRECAUTIONS FOR HYBRID SYSTEM
Hybrid Vehicle Components Safety Precautions
*1: Located in the engine compartment
*
2: Located under the rear seats

H51
Hybrid Battery Cooling Duct
The hybrid battery cooling duct is
located on the left side of the rear
seats. The cooling duct cools down
the hybrid battery. When the hybrid
battery cooling duct is blocked, the
hybrid battery may be overheated.Do not obstruct the cooling duct with
any other objects.
Information
Clean the cooling duct for the hybrid bat-
tery with a dry cloth on a regular basis.
i
(Continued)
•Do not put any objects into
the cooling duct of the hybrid
battery. Doing so may cause
loss of cooling duct volume to
the hybrid battery. When the
cooling duct is blocked with
any objects, immediately con-
tact your HYUNDAI dealer.
•Never place a container of liq-
uid on or near the cooling
duct. If the liquid spills, the
hybrid battery located in the
luggage compartment may be
damaged.
•Secure all loads in the lug-
gage compartment to prevent
them from being tossed about
before driving. When a sharp
or heavy load strike with a
strong impact or pierce the
interior luggage compartment
wall, the hybrid battery sys-
tem may be damaged, deterio-
rating its performance.
•Never clean the cooling duct
of the hybrid battery with a
wet cloth. If any water enters
in the cooling duct of the
hybrid battery, the hybrid bat-
tery may cause an electric
shock, resulting in a serious
damage, an injury or a death.
•The hybrid battery is com-
posed of lithium-ion polymer.
If the hybrid battery is improp-
erly handled, it is dangerous
to the environment. Also it
may cause electrical shock
and severe burns, resulting in
a serious injury or a death.
•Do not spill liquid over the
cooling duct of the hybrid bat-
tery. Doing so is very danger-
ous. It may cause electric
shock or serious injury.
•Do not cover the cooling duct
with objects.
(Continued)
WARNING
OAE036024
■Hybrid vehicle
OAEPH036024
■Plug-in hybrid vehicle

1-4
Your vehicle at a glance
INTERIOR OVERVIEW (I) - HYBRID VEHICLE
1. Door lock/unlock button ....................3-14
2. Driver position memory system ........3-18
3. Outside rearview mirror folding
switch ................................................3-26
4. Outside rearview mirror control
switch ................................................3-25
5. Central door lock switch ....................3-14
6. Power window switches ....................3-27
7. Power window lock switch ................3-31
8. Headlamp leveling device................3-112
9. Instrument panel illumination
control switch ......................................3-47
10. Blind spot detection system button ..5-40
11. Lane keeping assist system ..............5-62
12. ESC OFF button ..............................5-33
13. Fuel filler door opener ....................3-39
14. 12V battery reset switch ..................6-5
15. Hood release lever ........................3-36
16. Fuse box ..........................................7-54
17. Steering wheel tilt/telescopic lever ....3-21
18. Steering wheel ................................3-20
19. Seat ..................................................2-4
OAEPH017007LThe actual shape may differ from the illustration.
■Left-hand drive

1-5
Your vehicle at a glance
INTERIOR OVERVIEW (II) - HYBRID VEHICLE
1
1. Door lock/unlock button ....................3-14
2. Driver position memory system ........3-18
3. Outside rearview mirror folding
switch ................................................3-26
4. Outside rearview mirror control
switch ................................................3-25
5. Central door lock switch ....................3-14
6. Power window switches ....................3-27
7. Power window lock switch ................3-31
8. Headlamp leveling device................3-112
9. Instrument panel illumination
control switch ......................................3-47
10. Blind spot detection system button ..5-40
11. Lane keeping assist system ..............5-62
12. ESC OFF button ..............................5-33
13. Fuel filler door opener ....................3-39
14. 12V battery reset switch ....................6-5
15. Hood release lever ..........................3-36
16. Fuse box ..........................................7-54
17. Steering wheel ................................3-20
18. Seat ..................................................2-4
OAEPH017008L
■ Right-hand drive
The actual shape may differ from the illustration.

1-6
INSTRUMENT PANEL OVERVIEW (I) - HYBRID VEHICLE
Your vehicle at a glance
OAE017004LThe actual shape may differ from the illustration.
■Left-hand drive1. Instrument cluster ......................................3-45
2. Horn ...........................................................3-22
3. Driver's front air bag ..................................2-54
4. Key ignition switch/ ......................................5-6
Engine Start/Stop button .............................5-9
5. Light control/Turn signals .........................3-107
6. Wiper/Washer ..........................................3-117
7. Audio system/ ..............................................4-8
Navigation system ......................................4-5
8. Hazard warning flasher................................6-2
9. Automatic climate control system ..............3-127
10. Dual clutch transmission ..........................5-15
11. Passenger's front air bag .........................2-54
12. Glove box ...............................................3-145
13. Cigarette lighter .....................................3-152
14. Power outlet ...........................................3-149
15. Wireless cellular phone charging
system....................................................3-150
16. Seat warmer/Air ventilation seat ..............2-21
17. Heated steering wheel .............................3-21
18. Parking assist system ON button/ .........3-124
Rear paring assist system OFF button....3-122
19. Cup holder .............................................3-147
20. Steering wheel audio controls/ ..................4-3
Bluetooth®wireless technology
hands-free controls ....................................4-4
21. Speed limiter/ .......................................... 5-71
Cruise controls/ ........................................5-73
Smart cruise controls ...............................5-79

1-7
Your vehicle at a glance
1
INSTRUMENT PANEL OVERVIEW (II) - HYBRID VEHICLE
OAEPH017005RThe actual shape may differ from the illustration.
■ Right-hand drive 1. Instrument cluster ....................................3-45
2. Horn .........................................................3-22
3. Driver's front air bag ................................2-54
4. Key ignition switch/ ....................................5-6
Engine Start/Stop button ...........................5-9
5. Light control/Turn signals .......................3-107
6. Wiper/Washer ........................................3-117
7. Audio system/ ............................................4-8
Navigation system ....................................4-5
8. Hazard warning flasher ..............................6-2
9. Automatic climate control system ............3-127
10. Dual clutch transmission ........................5-15
11. Passenger's front air bag .......................2-54
12. Glove box .............................................3-145
13. Cigarette lighter ...................................3-152
14. Power outlet .........................................3-149
15. Wireless cellular phone charging
system..................................................3-150
16. Seat warmer/Air ventilation seat ............2-21
17. Heated steering wheel ...........................3-21
18. Parking assist system ON button/........3-124
Rear paring assist system OFF button..3-122
19. Cup holder ...........................................3-147
20. Steering wheel audio controls/ ................4-3
Bluetooth®wireless technology
hands-free controls ..................................4-4
21. Speed limiter/ ........................................ 5-71
Cruise controls/ ......................................5-73
Smart cruise controls .............................5-79

1-11
Your vehicle at a glance
1
INTERIOR OVERVIEW (I) - PLUG-IN HYBRID VEHICLE
1. Door lock/unlock button ....................3-14
2. Driver position memory system ........3-18
3. Outside rearview mirror folding
switch ................................................3-26
4. Outside rearview mirror control
switch ................................................3-25
5. Central door lock switch ....................3-14
6. Power window lock switch ................3-27
7. Power window switches ....................3-31
8. Headlight leveling device ................3-112
9. Instrument panel illumination
control switch ......................................3-47
10. Blind spot detection system button ..5-40
11. VESS (Virtual Engine Sound System)
button ..................................................H28
12. Lane keeping assist system ..............5-62
13. ESC OFF button ..............................5-33
14. Fuel filler door opener ....................3-42
15. AUTO/LOCK mode selection button ..H7
16. Scheduled charging deactivation
button ................................................H6
17. Hood release lever ........................3-36
18. Fuse box ..........................................7-54
19. Steering wheel tilt/telescopic lever ....3-21
20. Steering wheel ................................3-20
21. Seat ..................................................2-4
OAEPH017006LThe actual shape may differ from the illustration.
■Left-hand drive