2018 Hyundai Ioniq Hybrid Inverter

H37
Refill inverter coolant
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Stop vehicle and check brakes
This message is displayed when a
failure occurs in the brake system.
In this case, park the vehicle in a
safe location and we recommend
that you tow your vehicle to the near-
est authorized HYUNDAI dealer and
have the vehicle inspected.
Check brakes
This message is displayed when the
brake performance is low or the
regenerative brake does not work
properly due to a failure in the brake
system.
In this case, it may take longer for the
brake pedal to operate and the brak-
ing distance may become longer.
OLFH044244LOLFH044234LOLFH044250L

H49
• When the vehicle is paint baked,
do not bake over 30 minutes in
70°C (158°F) or 20 minutes in
80°C (176°F) degree.
• Do not wash the engine compart-
ment, using water. Water may
cause an electric shock to and
damage the electronic.
NOTICE
•Never use the package mod-
ules (high voltage battery,
inverter and converter) for any
other purpose.
•Do not use an unauthorized
battery charger to charge the
high voltage battery. Doing so
may result in death or serious
injury.
•Never locate the high voltage
system near or in a fire.
•Never drill into or strike the
package module. Otherwise, it
may be damaged. An electric
shock may occur, resulting in
serious injury or death.
WARNING
•Do not disassemble or assem-
ble the high voltage battery
system. Doing so may result
in electric shock, causing
death or serious injury.
•If you disassemble or assem-
ble hybrid system compo-
nents improperly, it may dam-
age the performance and reli-
ability of your vehicle.
•If electrolyte comes in contact
with your body, clothes or
eyes, immediately flush with a
large quantity of fresh tap
water. Have your eyes exam-
ined by a doctor as soon as
possible.
WARNING
Never assemble or disassemble
the high voltage battery system.
•If you assemble or disassem-
ble the high voltage battery
system, the durability and per-
formance of the vehicle may be
damaged.
•When you want to check the
high voltage battery system,
have the vehicle checked and
inspected by an authorized
HYUNDAI dealer.
•Do not touch the high voltage
battery and high voltage cable
connected to motor (orange
color). Severe burns and elec-
tric shock may occur. For your
safety, do not touch the cover
of electronic components and
electronic cable. Do not remove
the cover of electronic compo-
nents and electronic cable. In
particular, never touch the high
voltage battery system when
the hybrid system in operation.
It may result in death or serious
injury.
WARNING

H50
Service Plug
Never touch the service plug.
Service plug is attached to high
voltage hybrid battery system.
Touching the service plug will
result in death or serious injury.
Service personnel should follow
procedure in service manual.
DANGER
OAEQ046018
SAFETY PRECAUTIONS FOR HYBRID SYSTEM (CONT.)
(Continued)
•Do not drop water or liquid on
to HPCU, HSG, motor and
fuses. The hybrid system com-
ponents are covered. If you
drop water or liquid on to
hybrid system components, it
may result in electric shock.
This hybrid vehicle uses the
hybrid battery system inverter
and converter to generate high
voltage. High voltage in the
hybrid battery system is very
dangerous and may cause
severe burns and electric
shock. This may result in seri-
ous injury or death.
•For your safety, never touch,
replace, disassemble or remove
the hybrid battery system
including components, cables
and connectors. Severe burns
or electric shock may result in
serious injury or death when
you fail to follow this warning.
•When the hybrid battery sys-
tem operates, the hybrid bat-
tery system can be hot. Always
be careful because burns or
electric shock may be caused
by high voltage.
(Continued)
WARNING

ENGINE COMPARTMENT - HYBRID VEHICLE
1-8
Your vehicle at a glance
OAE076001
■Gasoline Engine (Kappa 1.6 GDI)
1. Engine oil filler cap ............................7-24
2. Engine oil dipstick ............................7-23
3. Engine coolant cap ..........................7-26
4. Engine coolant reservoir ..................7-25
5. Inverter coolant reservoir ................7-25
6. Brake fluid reservoir ..........................7-29
7. Air cleaner ........................................7-31
8. Windshield washer fluid reservoir ....7-30
9. Fuse box ..........................................7-55
The actual engine compartment in the vehicle may differ from the illustration.

1-15
Your vehicle at a glance
1
ENGINE COMPARTMENT - PLUG-IN HYBRID VEHICLE
OAEPH076001
■Gasoline Engine (Kappa 1.6 GDI)
1. Engine oil filler cap ............................7-24
2. Engine oil dipstick ............................7-23
3. Engine coolant cap ..........................7-26
4. Engine coolant reservoir ..................7-25
5. Inverter coolant reservoir ................7-25
6. Brake fluid reservoir ..........................7-29
7. Air cleaner ........................................7-31
8. Windshield washer fluid reservoir ....7-30
9. Fuse box ..........................................7-55
The actual engine compartment in the vehicle may differ from the illustration.

3-73
Convenient features of your vehicle
Stop vehicle to charge battery
This message is displayed when the
hybrid battery power (SOC) level is
low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
Refuel to prevent Hybrid battery
damage
This message is displayed when the
fuel tank is nearly empty.
You should refill the fuel tank to pre-
vent hybrid battery damage.
Refill inverter coolant
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
3
OLFH044232L
OLFH044242L
OLFH044244L

6-13
What to do in an emergency
6
7. If you cannot find the cause of the
overheating, wait until the engine
temperature has returned to nor-
mal. Then, if coolant has been
lost, carefully add coolant to the
reservoir to bring the fluid level in
the reservoir up to the halfway
mark.
8. Proceed with caution, keeping
alert for further signs of overheat-
ing. If overheating happens again,
we recommend that you call an
authorized HYUNDAI dealer for
assistance.
•Serious loss of coolant indi-
cates a leak in the cooling
system and we recommend
the system be checked by an
authorized HYUNDAI dealer.
•When the engine overheats
from low engine coolant, sud-
denly adding engine coolant
may cause cracks in the
engine. To prevent damage,
add engine coolant slowly in
small quantities.
CAUTION
Never remove the
engine coolant cap
and/or inverter coolant
cap or the drain plug
while the engine and
radiator are hot. Hot coolant and
steam may blow out under pres-
sure, causing serious injury.
Turn the hybrid system off and
wait until the engine cools down.
Use extreme care when remov-
ing the engine coolant cap
and/or inverter coolant cap.
Wrap a thick towel around it, and
turn it counterclockwise slowly
to the first stop. Step back while
the pressure is released from the
cooling system. When you are
sure all the pressure has been
released, press down on the cap,
using a thick towel, and continue
turning counterclockwise to
remove it.
WARNING

7
Maintenance
7
Maintenance
Engine compartment .............................................7-3
Maintenance services ...........................................7-5
Owner's responsibility ......................................................7-5
Owner maintenance precautions ..................................7-5
Owner maintenance ...............................................7-6
How to Disconnect the (-) Cable
for Regular Maintenance ................................................7-6
Owner maintenance schedule ........................................7-7
Scheduled maintenance services.........................7-8
Normal maintenance schedule
- For Europe (except Russia) ........................................7-9
Maintenance under severe usage conditions
- For Europe (except Russia) ......................................7-13
Normal maintenance schedule
- Except Europe (but include Russia) ........................7-15
Maintenance under severe usage conditions
- Except Europe (but include Russia) ........................7-19
Explanation of scheduled maintenance items .7-21
Engine oil ..............................................................7-23
Checking the engine oil level .......................................7-23
Checking the engine oil and filter ..............................7-24
Engine coolant/inverter coolant .......................7-25
Checking the coolant level ...........................................7-25
Changing coolant.............................................................7-28
Hybrid starter & generator (HSG) belt.............7-29
Checking the hybrid starter &
generator (HSG) belt ......................................................7-29
Brake fluid ............................................................7-29
Checking the brake fluid level .....................................7-29
Washer fluid .........................................................7-30
Checking the washer fluid level ..................................7-30
Parking brake .......................................................7-31
Checking the parking brake .........................................7-31
Air cleaner ............................................................7-31
Filter replacement ...........................................................7-31
Climate control air filter .....................................7-33
Filter inspection ...............................................................7-33
Wiper blades .........................................................7-35
Blade inspection ..............................................................7-35
Blade replacement ..........................................................7-35
Battery (12 volt, Plug-in hybrid vehicle) .........7-38
For best battery service................................................7-39
Battery capacity label ....................................................7-40
Battery recharging .........................................................7-40
Reset features .................................................................7-41
7