cooling Hyundai Ioniq Hybrid 2017 User Guide

6-9
What to do in an emergency
6
7. If you cannot find the cause of theoverheating, wait until the engine
temperature has returned to nor-
mal. Then, if coolant has beenlost, 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 coolingsystem 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 insmall quantities.
CAUTION
NEVER remove the radiator cap or thedrain plug while theengine and radiator
are hot. Hot coolant
and steam may blow out under
pressure, causing serious injury.
Turn the engine off and wait
until the engine cools down.
Use extreme care when remov-
ing the radiator 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 aresure all the pressure has been
released, press down on the
cap, using a thick towel, and
continue turning counterclock-
wise to remove it.
WARNING

7-10
Maintenance
Normal maintenance schedule - For Europe (except Russia)
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.*6
: When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at
the factory.
An improper coolant mixture can result in serious malfunction or engine damage.
* 7
: For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.
* 8
: Dual clutch transmission (DCT) fluid should be changed anytime it has been submerged in water.
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
Cooling system
Inspect “Coolant level adjustment and leak” every day
At first, inspect 60,000 km (40,000 miles) or 48 months
after that, inspect every 30,000 km (20,000 miles) or 24 months
Engine coolant / Inverter coolant * 6 At first, replace 210,000 km (140,000 miles) or 120 months
after that, replace every 30,000 km (20,000 miles) or 24 months* 7
Dual clutch transmission fluid *8II
Engine clutch actuator fluidIRIRIRIR
Engine clutch actuator hose and lineIIIIIIII
Battery conditionIIIIIIII
Brake lines, hoses and connectionsIIIIIIII
Brake pedalIIII
Parking brakeIIII
Brake fluidIRIRIRIR
Brake discs and padsIIIIIIII
MAINTENANCE
INTERVALS
MAINTENANCE ITEM

7-16
Maintenance
Normal maintenance schedule - Except Europe (but include Russia)
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
Cooling system
Inspect “Coolant level adjustment and leak” every day
At first, inspect 60,000 km (40,000 miles) or 48 months
after that, inspect every 30,000 km (20,000 miles) or 24 months
Engine coolant / Inverter coolant * 7At first, replace 210,000 km (140,000 miles) or 120 months
after that, replace every 30,000 km (20,000 miles) or 24 months* 8
Dual clutch transmission fluid *9II
Engine clutch actuator fluidReplace every 40,000 km (26,000 miles) or 24 months
Engine clutch actuator hose and lineIIIIIIII
Battery conditionIIIIIIII
Brake lines, hoses and connectionsIIIIIIII
Brake pedalIIII
Parking brakeIIII
Brake fluidIRIRIRIR
Brake discs and padsIIIIIIII
MAINTENANCE
INTERVALS
MAINTENANCE ITEM
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.* 7
: When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at
the factory.
An improper coolant mixture can result in serious malfunction or engine damage.
* 8
: For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.
* 9
: Dual clutch transmission (DCT) fluid should be changed anytime it has been submerged in water.

7-20
MaintenanceE
E XX PPLLAA NN AATTIIOO NN OO FF SS CC HH EEDD UU LLEE DD MM AAIINN TTEENN AANN CCEE IITT EEMM SS
Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in
the maintenance schedule. If the car
is being driven in severe conditions,more frequent oil and filter changesare required.
HSG (Hybrid starter & genera- tor) belt
The HSG belt should be changed at
the intervals specified in the mainte-
nance schedule.
Fuel lines, fuel hoses and con- nections
Check the fuel lines, fuel hoses and
connections for leakage and dam-
age. We recommend an authorized
HYUNDAI dealer replace any dam-
aged or leaking parts immediately.
Fuel filter
A clogged filter can limit the speed at
which the vehicle may be driven,damage the emission system and
cause multiple issues such as hard
starting. If an excessive amount of
foreign matter accumulates in the
fuel tank, the filter may require
replacement more frequently. After
installing a new filter, run the engine
for several minutes, and check for
leaks at the connections. Fuel filters
should be installed by an authorized
HYUNDAI dealer.
Vapor hose and fuel filler cap
The vapor hose and fuel filler cap should be inspected at those inter-
vals specified in the maintenance
schedule. Make sure a new vaporhose or fuel filler cap is correctlyreplaced.
Air cleaner filter
A genuine HYUNDAI air cleaner filter is recommended when the filter isreplaced.
Spark plugs
Make sure to install new spark plugs
of the correct heat range.
Cooling system
Check cooling system components,
such as radiator, coolant reservoir,
hoses and connections for leakage
and damage. Replace any damaged
parts.
Engine coolant/inverter coolant
The coolant should be changed at
the intervals specified in the mainte-
nance schedule.

7-24
MaintenanceE
E NN GGIINN EE CC OO OO LLAA NN TT//IINN VVEERR TTEERR CC OO OO LLAA NN TT
The high-pressure cooling system
has a reservoir filled with year-round
antifreeze coolant. The reservoir is
filled at the factory.
Check the antifreeze protection and
coolant level at least once a year, atthe beginning of the winter season
and before traveling to a colder cli-
mate.Checking the coolant level
Check the condition and connections of all cooling system hoses and
heater hoses. Replace any swollen
or deteriorated hoses. The coolant level should be filled
between the MAX and the MIN
marks on the side of the coolant
reservoir when the engine is cool.
If the coolant level is low, add enough
distilled (deionized) water to bring
the level to the MAX mark, but do not
overfill. If frequent additions are
required, we recommend that you
see an authorized HYUNDAI dealer
for a cooling system inspection.
OAE076005
OAE076004
■
Engine coolant
■Inverter coolant

7-25
7
Maintenance
Information
The engine coolant and/or inverter
coolant level is influenced by the
hybrid system temperature. Before
checking or refilling the engine
coolant and/or inverter coolant, turn
the hybrid vehicle off. i
Never remove the
engine coolant cap
and/or inverter coolantcap or the drain plugwhile 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 aresure all the pressure has been
released, press down on the cap,
using a thick towel, and continue
turning counterclockwise to
remove it.
WARNING
OAE076006
OAE076007
■ Engine coolant cap
■Inverter coolant cap

7-26
Maintenance
The electric motor for the cooling fan
is controlled by engine coolant tem-
perature, refrigerant pressure and
vehicle speed. As the engine coolant
temperature decreases, the electric
motor will automatically shut off. This
is a normal condition. If your vehicle
is equipped with GDI, the electric
motor for the cooling fan may begin
to operate at any time and continue
to operate until you disconnect the
negative battery cable.The electric motor for
the cooling fan may
continue to operate
or start up when theengine is not running
and can cause serious injury.
Keep hands, clothing and tools
away from the rotating fan bladesof the cooling fan.
WARNING
Make sure the coolant cap is
properly closed after refilling
coolant. Otherwise the engine
could be overheated while driv-ing.
1. Check if the coolant cap label is straight In front.
(Continued)
WARNING
OTL075062
■Engine room front view (Continued)
2. Make sure that the tiny pro-
trusions inside the coolant
cap is securely interlocked.
OAE076050
■Engine room rear view

I-3
Battery (12 volt) ...........................................................7-37
Battery recharging......................................................7-39
Battery cooling duct .....................................................2-24
Battery saver function...................................................3-95
Before driving .................................................................5-4
Blind spot detection (BSD) system ..............................5-38
Bluetooth ®
Wireless Technology hands-free ..................4-4
Bottle holder ...............................................................3-132
Brake fluid ....................................................................7-28
Brake system.................................................................5-25
Anti-lock brake system (ABS) ..................................5-29
Disc brakes wear indicator ........................................5-26
Electronic stability control (ESC) .............................5-31
Emergency stop signal (ESS) ....................................5-36
Good braking practices ..............................................5-37
Hill-start assist control (HAC)...................................5-36
Parking brake .............................................................5-26
Power brakes..............................................................5-25
Vehicle stability management (VSM) .......................5-34
Bulb replacement ..........................................................7-66
Daytime running lamp ...............................................7-75
Front position lamp....................................................7-67
Front turn signal lamp ...............................................7-67
Headlamp ...................................................................7-67
Headlamp aiming .......................................................7-71
High mounted stop lamp ...........................................7-81 Interior light bulb .......................................................7-81
License plate light bulb .............................................7-81
Rear combination light bulb ......................................7-76
Rear fog lamp ............................................................7-81
Side repeater lamp ....................................................7-75
Bulb wattage ...................................................................8-3
Button start/stop, see engine start/stop button................5-9
Camera (Rear view)....................................................3-104
Capacities (Lubricants) ...................................................3-6
Care
Exterior care...............................................................7-83
Interior care................................................................7-88
Tire care .....................................................................7-41
Cellular phone holder .................................................3-135
Center console storage................................................3-130
Central door lock switch...............................................3-14
Certification label ...........................................................8-8
Chains
Tire chains..................................................................5-96
Checking tire inflation pressure ...................................7-43
Child restraint system (CRS)........................................2-38 Booster seats ..............................................................2-40
Children always in the rear ........................................2-38
Forward-facing child restraint system .......................2-40
Installing a child restraint system (CRS)...................2-41
I
Index
B
C

I-4ISOFIX anchorage and top-tether anchorage
for children ..............................................................2-42
Rearward-facing child restraint system .....................2-39
Securing a child restraint system seat with "Top-tether Anchorage" system ...............................3-44
Securing a child restraint system with a lap/shoulder belt....................................................3-46
Securing a child restraint system with the "ISOFIX Anchorage System" ............................2-43
Child-protector rear door lock ...................................3-16
Cigarette lighter ..........................................................3-137
Clean air......................................................................3-129
Climate control air filter ...............................................7-32
Clock ...........................................................................3-137
Clothes hanger ............................................................3-138
Combined instrument, see instrument cluster ..............3-42
Compact spare tire replacement ...................................7-46
Coolant..........................................................................7-24
Cooling fluid, see engine coolant/inverter coolant ......7-24
Crankcase emission control system..............................7-90
Cruise control system ...................................................5-69
Cup holder ..................................................................3-132
Curtain air bags.............................................................2-58
Dashboard illumination, see instrument panel illumination.................................................................3-43
Dashboard, see instrument cluster ................................3-42 Day/night rearview mirror ............................................3-23
Daytime running light (DRL) .......................................3-95
Defogging (Windshield) .............................................3-116
Defroster .....................................................................3-111
Rear window defroster .............................................3-111
Defrosting (Windshield) .............................................3-116
Dimensions .....................................................................8-2
Display illumination, see instrument panel illumination.................................................................3-43
Displays, see instrument cluster ...................................3-42
Distance to empty (for cluster type B) .........................3-48
Door locks.....................................................................3-12 Auto door lock/unlock features .................................3-16
Central door lock switch ............................................3-14
Child-protector rear door lock ...................................3-16
Drinks holders, see cup holders..................................3-132
Driver position memory system ...................................3-18 Recalling memory positions ......................................3-19
Storing memory positions ..........................................3-18
Driver's air bag .............................................................2-54
Driver's knee air bag .....................................................2-54
Driving at night.............................................................5-93
Driving in flooded areas ...............................................5-94
Driving in the rain ........................................................5-93
Dual clutch transmission ..............................................5-15 Good driving practices...............................................5-23
Manual shift mode .....................................................5-21
Shift lock system .......................................................5-22
Dual clutch transmission shift indicator .......................3-49
Index
D

I-10Rear center seatbelt ....................................................2-31
Seat belt restraint system ...........................................2-29
Seat belt safety precautions .......................................2-25
Seat belt use and children ..........................................2-34
Seat belt use and injured people ................................2-36
Seat belt use during pregnancy ..................................2-34
Seat belt warning light ...............................................2-26
When to replace seat belts .........................................2-37
Seat warmers
Front ..........................................................................2-21
Rear ............................................................................2-24
Seats ................................................................................2-4 Air ventilation seats ...................................................2-21
Battery cooling duct...................................................2-24
Front seat adjustment ...................................................2-7
Front seat warmers.....................................................2-21
Headrest .....................................................................2-16
Rear seat adjustment ..................................................2-13
Rear seat warmers ......................................................2-24
Safety precautions........................................................2-6
Shift lock system ..........................................................5-22
Side air bags .................................................................2-57
Smart cruise control system .........................................5-75
Smart key ........................................................................3-7 Battery replacement ...................................................3-10
Mechanical key ............................................................3-9
Smooth cornering .........................................................5-93
Snow tires .....................................................................5-95 Spare tire
Compact spare tire replacement ................................7-46
Special driving conditions Driving at night..........................................................5-93
Driving in flooded areas ............................................5-94
Driving in the rain .....................................................5-93
Hazardous driving conditions ....................................5-92
Highway driving ........................................................5-94
Rocking the vehicle ...................................................5-92
Smooth cornering.......................................................5-93
Speed limit control system ...........................................5-67
Speed sensing door lock ...............................................3-16
Speedometer .................................................................3-44
SPORT mode ................................................................5-20
Starting difficulties, see engine will not start .................6-4
Steering wheel ..............................................................3-20 Electric power steering (EPS) ...................................3-20
Heated steering wheel ................................................3-21
Horn ...........................................................................3-22
Power steering ...........................................................3-20
Tilt steering / Telescope steering ...............................3-21
Steering wheel audio control ..........................................4-3
Storage compartment ..................................................3-130 Center console storage .............................................3-134
Glove box.................................................................3-130
Multi box .................................................................3-131
Sunglass holder ........................................................3-131
Sunglass holder ...........................................................3-131
Index