stop start Hyundai Ioniq Hybrid 2018 Owner's Manual

H2
HEV (HYBRID ELECTRIC VEHICLE) SYSTEM
Hybrid Vehicle
The HYUNDAI Hybrid Electric Vehicle (HEV) uses both the gasoline engine and the electric motor for power. The elec-
tric motor is run by a 270V high-voltage HEV battery.
Depending on the driving conditions, the HEV computer selectively operates between the engine and the electric motor
or even both at the same time.
Fuel efficiency increases when the engine is at idle, or when the vehicle is driven by the electric motor with the HEV bat-
tery.
The HEV battery charge must be maintained, so at times the engine will come on even at idle to act as a generator.
Charging also occurs when decelerating or by regenerative braking.
OAE056066 Startup/Low speed cruise
Electric motor
Acceleration
Electric motor + Engine
High speed cruise
Engine
Deceleration
Charging
Stop
Engine OFF

H127. Check if the charging indicator
light of the high voltage battery on
the instrument cluster is turned
ON. Charging is not done when
the charging indicator lamp is
OFF.
When the charging connector and
charging plug are not connected
properly, reconnect the charging
cable to charge.
Information
• Even though charging is possible
with the ignition switch in the
ON/START position, for your safe-
ty, start charging when the ignition
switch is in the LOCK/OFF position
and the vehicle shifted to P (Park).
After charging has started, you can
use electrical components such as
the radio by placing the ignition
switch in the ACC or ON position.
• During normal charging, the radio
reception may be bad.
• Moving the shift lever from P (Park)
to R (Reverse)/N(Neutral)/D (Drive)
stops the charging process.
To restart the charging process,
move the shift lever to P (Park),
place the ignition switch to the
LOCK/OFF position, and discon-
nect the charging cable. Then, con-
nect the charging cable.8. After charging has started, the esti-
mated charging time is displayed on
the instrument cluster for about 1
minute.
If you open the driver seat door while
charging, the estimated charging
time is also displayed on the instru-
ment cluster for about 1 minute.
When scheduled charging is set, the
estimated charging time is displayed
as “--" .
Information
Depending on the condition and dura-
bility of the high voltage battery,
charger specifications, and ambient
temperature, the time required for
charging the battery may vary.
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OAEEQ016032OAEPH047193L
CHARGING THE PLUG-IN HYBRID VEHICLE (CONT.)

H19
Information
• Even though charging is possible
with the ignition switch in the
ON/START position, for your safe-
ty, start charging when the ignition
switch is in the LOCK/OFF position
and the vehicle shifted to P (Park).
After charging has started, you can
use electrical components such as
the radio by placing the ignition
switch in ACC or ON position.
• Moving the shift lever from P (Park)
to R (Reverse)/N(Neutral)/D (Drive)
stops the charging process.
To restart the charging process,
move the shift lever to P (Park),
place the ignition switch to the
LOCK/OFF position, and discon-
nect the charging cable. Then, con-
nect the charging cable.10. After charging has started, the
estimated charging time is dis-
played on the instrument cluster
for about 1 minute.
If you open the driver seat door
while charging, the estimated
charging time is also displayed on
the instrument cluster for about 1
minute.
When scheduled charging is set,
the estimated charging time is
displayed as “--" .
Information
Depending on the condition and dura-
bility of the high voltage battery,
charger specifications, and ambient
temperature, the time required for
charging the battery may vary.
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OAEPH047193L

H26
Starting the Vehicle
Vehicles with remote key system
1.Make sure the parking brake is
applied.
2.Make sure the shift lever is in P
(Park).
3.Depress the brake pedal.
4.Turn the ignition swich to the
START position. Hold the key
(maximum of 10 senconds) until
the " " comes on and release it.
Whether the engine is cold or
warm, it should be started without
depressing the accelerator.
After following the start proce-
dures, “ ” indicator on the
instrument cluster will turn on.
For more information, please check
Chapter 5.
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.Place the shift lever in P (Park).
With the shift lever in N (Neutral),
you cannot start the vehicle.
4.Depress the brake pedal.
5.Press the Engine Start/Stop but-
ton. 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 proce-
dures, “ ” indicator on the
instrument cluster will turn on.
For more information, please check
Chapter 5.ECONOMICAL and SAFE OPERA-
TION 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 pos-
sible. Always maintain a safe dis-
tance from other vehicles so you
can avoid unnecessary braking.
This also reduces brake wear out.
• The regenerative brake generates
energy when the vehicle deceler-
ates.
• When the hybrid battery power is
low, the hybrid system automatical-
ly recharges the hybrid battery.
• When the engine run with the shift
lever in N (Neutral), the hybrid sys-
tem cannot generate electricity. The
hybrid battery cannot recharge with
the shift lever in N (Neutral).
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE

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.
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H28
The hybrid system contains many
electronic components. High volt-
age components, such as cables
and other parts, may emit electro-
magnetic waves. Even when the
electromagnetic cover blocks elec-
tromagnetic emissions, electro-
magnetic waves may have an effect
on electronic devices. When your
vehicle is not for a long period of
time, the hybrid system will dis-
charge. You need to drive the vehi-
cle several times a month. We rec-
ommend driving at least for 1 hour
or 16 km. When the hybrid battery is
discharged, or when it is impossi-
ble to jump start the vehicle, con-
tact your HYUNDAI dealer.
Virtual Engine Sound System
(VESS)
The Virtual Engine Sound System
generates engine sound for pedestri-
ans to hear vehicle sound because
there is limited sound while motor
power is used.
• The VESS may be turned ON or
OFF by pressing the VESS button.
(if equipped)
• If the vehicle is moving at low
speed, the VESS will operate.
• When the gear is shifted to R
(Reverse), an additional warning
sound will be heard.
NOTICE
•When you start the hybrid
system with the shift lever in
P (Parking), the “ ” indica-
tor illuminates on the instru-
ment cluster. The driver can
drive the vehicle, even when
the engine is stopped.
•When you leave the vehicle,
you should turn OFF the
hybrid system or locate the
shift lever in P (Park). When
you depress the accelerator
pedal by mistake, or when the
shift lever is not in P (Park),
the vehicle will abruptly move,
possibly resulting in serious
injury or death.
WARNING
OAEE046474L
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)

H32
Mode
• Cycle Mode :
When the vehicle is OFF with all
doors, hood and tailgate closed, the
Aux. Battery Saver+ periodically acti-
vates according to the auxiliary bat-
tery status.
• Automatic Mode :
When the ignition switch is in the ON
position with the charging connector
plugged in, the function activates
according to the auxiliary battery sta-
tus to prevent overdischarge of the
auxiliary battery.Information
• The Aux. Battery Saver+ activates
maximum of 20 minutes. If the Aux.
Battery Saver+ function activates
more than 10 times consecutively, in
the Automatic Mode the function
will stop activating, judging that
there is a problem with the auxiliary
battery. In this case, drive the vehi-
cle for some period of time. The
function will start activating if the
auxiliary battery returns to normal.
• The Aux. Battery Saver+ function
cannot prevent battery discharge if
the auxiliary battery is damaged,
worn out, used as a power supply or
unauthorized electronic devises are
used.
• If the Aux. Battery Saver+ function
was activated, a message will be dis-
played on the instrument cluster
and the high voltage battery level
may have decreased.
System Setting
The driver can activate the Aux.
Battery Saver+ function by placing
the ignition switch to the ON position
and by selecting:
'User Settings →Other Features →
Aux. Battery Saver+'
The Aux. Battery Saver+ function
deactivates, when the driver cancels
the system setting.
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OAEE046433L
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)

H34
Service Warning Light
This warning light illuminates :
• When the ignition switch or the
Engine Start/Stop button is in the
ON position.
- It illuminates for approximately 3
seconds and then goes off.
• 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, we recom-
mend that 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.
Charging Cable
Connection Indicator
(Plug-in hybrid vehicle)
This indicator illuminates in red when
the charging cable is connected.
Regenerative Brake
Warning Light
This warning light illuminates :
When the regenerative brake is not
operating. This causes the Brake
Warning light (red) and Regenerative
Brake Warning Light (yellow) to illu-
minate simultaneously as soon as
possible.
In this case, drive safely and have
your vehicle inspected by an author-
ized HYUNDAI dealer.
The service brake still function, how-
ever, the operation of the brake pedal
may be more difficult than normal
and the braking distance can
increase.
EV
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)

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