2017 Hyundai Ioniq Hybrid engine overheat

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

7-28
MaintenanceH
H YY BBRRIIDD SS TT AA RRTTEERR && GG EENN EERR AA TTOO RR (( HH SSGG )) BB EELLTT
Checking the hybrid starter &
generator (HSG) belt
We recommend that you have the
hybrid starter & generator (HSG)belt inspected or replaced accordingto the Maintenance Schedule in this
chapter by an authorized HYUNDAI
dealer.
Checking the brake fluid level
Check the fluid level in the reservoir
periodically. The fluid level should be
between MAX and MIN marks on the
side of the reservoir.
Before removing the reservoir cap
and adding brake fluid, clean the
area around the reservoir cap thor-
oughly to prevent brake fluid contam-ination.
Turn the vehicle off while you
inspect the engine or hybrid
starter & generator(HSG) belt.
Otherwise it may result in
serious injury.
Keep hands, clothing etc.
away from the hybrid starter &
generator (HSG) belt.
WARNING
When the HSG belt is worn out or
damaged, replace the belt.
Otherwise, it may cause engine
overheating or battery discharge.
CAUTION
OAE076008
BB RRAA KKEE FF LLUU IIDD

I-6Gauges and meters........................................................3-44
Glove box ...................................................................3-130
Gross vehicle weight ......................................................8-5
Hazard warning flasher...................................................6-2
Hazardous driving conditions .......................................5-92
Headlamp delay function..............................................3-95
Headlamp leveling device ............................................3-96
Headlamp position ........................................................3-92
Headlight bulb replacement..........................................7-67
Headrest ........................................................................2-16
Front seat headrests ...................................................2-17
Rear seat headrests.....................................................2-20
Heated steering wheel...................................................3-21
Heater ..........................................................................3-112
Height adjustment .........................................................2-30
High beam operation ....................................................3-92
Highway driving ...........................................................5-94
Hill-start assist control (HAC) .....................................5-36
Hood .............................................................................3-36
Horn ..............................................................................3-22
How to use this manual ..................................................F-5
Hybrid battery SOC (State of Charge) gauge...............3-46
Hybrid starter & generator (HSG) belt.........................7-28 If the engine doesn't turn over or turns over slowly ......6-4
If the engine overheats ...................................................6-8
If the engine stalls at a crossroad or crossing ................6-2
If the engine stalls while driving ....................................6-2
If the engine turns over normally but doesn't start.........6-4
If the engine will not start ..............................................6-4
If you have a flat tire ....................................................6-16
If you have a flat tire while driving ...............................6-3
Ignition switch ................................................................5-5
Engine Start/Stop button ..............................................5-9
Key ignition switch......................................................5-6
Immobilizer system ......................................................3-11
Impact sensing door unlock..........................................3-16
Important safety precautions ..........................................2-2 Air bag hazards ............................................................2-2
Always wear your seat belt..........................................2-2
Control your speed.......................................................2-3
Driver distraction .........................................................2-2
Keep your vehicle in safe condition ............................2-3
Restrain all children .............................................2-2, 6-2
Indicator light ...............................................................3-50
Inside rearview mirror ..................................................3-22
Instrument cluster .........................................................3-42
Instrument panel illumination....................................3-43
Dual clutch transmission shift indicator ....................3-49
Gauges and meters .....................................................3-44
Index
G
H
I