brake fluid Hyundai Ioniq Hybrid 2020 Owner's Manual

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Your vehicle at a glance
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1. Engine coolant reservoir ...................7-18
2. Engine coolant cap ...........................7-19
3. Inverter coolant reservoir ..................7-18
4. Brake fluid reservoir ..........................7-22
5. Air cleaner.........................................7-24
6. Engine oil dipstick .............................7-16
7. Engine oil filler cap ...........................7-16
8. Windshield washer fluid reservoir .....7-23
9. Fuse box ...........................................7-50
OAE078001
The actual engine compartment in the vehicle may differ from the illustration.
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Gasoline Engine (1.6 GDI)

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Your vehicle at a glance
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1. Engine coolant reservoir ...................7-18
2. Engine coolant cap ...........................7-19
3. Inverter coolant reservoir ..................7-18
4. Brake fluid reservoir ..........................7-22
5. Air cleaner.........................................7-24
6. Engine oil dipstick .............................7-16
7. Engine oil filler cap ...........................7-16
8. Windshield washer fluid reservoir .....7-23
9. Fuse box ...........................................7-50
❈The 12 volt battery is located in the lug-
gage compartment.
OAEPH078001
The actual engine compartment in the vehicle may differ from the illustration.
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Gasoline Engine (1.6 GDI)

3-68
Convenient features of your vehicle
EV Mode Indicator
This indicator illuminates when the
vehicle is driven by the electric motor.
Service Warning Light
This warning light illuminates :
When you place the Engine Start/
Stop button to 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, have your
vehicle inspected by an authorized
HYUNDAI dealer.
Charging Cable
Connection Indicator
(Plug-in hybrid)
This indicator illuminates in red when
the charging cable is connected.
Air Bag Warning Light
This warning light illuminates:
When you place the Engine Start/
Stop button to the ON position.
- It illuminates for approximately 6
seconds and then goes off.
When there is a malfunction with
the SRS.
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer.
Seat Belt Warning Light
This warning light informs the driver
that the seat belt is not fastened.
For more details, refer to the "Seat
Belts" in chapter 2.
Parking Brake & Brake
Fluid Warning Light
This warning light illuminates:
When you place the Engine Start/
Stop button to the ON position.
- It illuminates for approximately 3
seconds.
- It remains on if the parking brake
is applied.
When the parking brake is applied.
EV

3-69
Convenient features of your vehicle
3
When the brake fluid level in the
reservoir is low.
- If the warning light illuminates
with the parking brake released, it
indicates the brake fluid level in
the reservoir is low.
When the regenerative brake does
not operate.
If the brake fluid level in the reser-
voir is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. With the engine stopped, check
the brake fluid level immediately
and add fluid as required (For
more details, refer to "Brake
Fluid" in chapter 7). After adding
brake fluid, check all brake com-
ponents for fluid leaks. If a brake
fluid leak is found, or if the warning
light remains on, or if the brakes
do not operate properly, do not
drive the vehicle. Have the vehicle
inspected by an authorized
HYUNDAI dealer.
Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail.
With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure is
required to stop the vehicle.
Also, the vehicle will not stop in as
short a distance with only a portion
of the brake system working.
If the brakes fail while you are driv-
ing, shift to a lower gear for addition-
al engine braking and stop the vehi-
cle as soon as it is safe to do so.Parking Brake & Brake Fluid
Warning Light
Driving the vehicle with a warn-
ing light ON is dangerous. If the
Parking Brake & Brake Fluid
Warning Light illuminates with
the parking brake released, it
indicates that the brake fluid
level is low.
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer.WARNING

3-70
Convenient features of your vehicle
Regenerative Brake
Warning Light
This warning light illuminates :
When you place the Engine Start/
Stop button to the ON position.
- It illuminates for approximately 3
seconds.
When the regenerative brake does
not operate and the brake does not
perform well. This causes the Brake
Warning light and Regenerative
Brake Warning Light to illuminate
simultaneously.
In this case, drive safely and have
your vehicle inspected by an author-
ized HYUNDAI dealer.
The operation of the brake pedal may
be more difficult than normal and the
braking distance can increase.
Anti-lock Brake System
(ABS) Warning Light
This warning light illuminates:
When you place the Engine Start/
Stop button to the ON position.
- It illuminates for approximately 3
seconds and then goes off.
When there is a malfunction with
the ABS (The normal braking sys-
tem will still be operational without
the assistance of the anti-lock
brake system).
In this case, have the vehicle inspect-
ed by an authorized HYUNDAI deal-
er.
Electronic Brake Force
Distribution (EBD)
System Warning Light
These two warning lights illuminate
at the same time while driving:
When the ABS and regular brake
system may not work normally.
In this case, have the vehicle inspect-
ed by an authorized HYUNDAI deal-
er.
Electronic Brake Force
Distribution (EBD) System
Warning Light
When both ABS and Parking
Brake & Brake Fluid Warning
Lights are on, the brake system
will not work normally and you
may experience an unexpected
and dangerous situation during
sudden braking.
(Continued)
WARNING

3-71
Convenient features of your vehicle
3
Information - Electronic
Brake Force Distribution
(EBD) System Warning Light
When the ABS Warning Light is on or
both ABS and Parking Brake & Brake
Fluid Warning Lights are on, the
speedometer, odometer, or tripmeter
may not work. Also, the EPS Warning
Light may illuminate and the steering
effort may increase or decrease.
In this case, have the vehicle inspected
by an authorized HYUNDAI dealer as
soon as possible.
Electronic Parking
Brake (EPB) Warning
Light (if equipped)
This warning light illuminates:
When there is a malfunction with the
EPB.
In this case, we recommend that you
have the vehicle inspected by an
authorized HYUNDAI dealer.
Information
The Electronic Parking Brake (EPB)
Warning Light may illuminate when
the Electronic Stability control (ESC)
Indicator Light comes on to indicate
that the ESC is not working properly
(This does not indicate malfunction of
the EPB).
AUTO HOLD Indicator
Light (if equipped)
This indicator light illuminates:
[White] When you activate the auto
hold system by pressing the AUTO
HOLD button.
[Green] When you stop the vehicle
completely by depressing the
brake pedal with the auto hold sys-
tem activated.
[Yellow] When there is a malfunc-
tion with the auto hold system.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.
For more details, refer to "Auto
Hold" in chapter 5.
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(Continued)
In this case, avoid high speed
driving and abrupt braking.
Have the vehicle inspected by
an authorized HYUNDAI dealer
as soon as possible.EPB

3-81
Convenient features of your vehicle
3
Press START button with key
This message is displayed if you
press the Engine Start/Stop button
while the warning message "Key not
detected" is displayed.
At this time, the immobilizer indicator
light blinks.
Check BRAKE SWITCH fuse
This message is displayed if the
brake switch fuse is disconnected.
You need to replace the fuse with a
new one before starting the engine.
If that is not possible, you can start
the engine by pressing the Engine
Start/Stop button for 10 seconds in
the ACC position.
Shift to P to start vehicle
This message is displayed if you try
to start the engine with the shift lever
not in the P (Park) position.
Low Washer Fluid (if equipped)
This warning message is displayed
if the washer fluid level in the reser-
voir is nearly empty.
Have the washer fluid reservoir
refilled.
Low Fuel
This warning message is displayed if
the fuel tank is almost out of fuel.
When this message is displayed, the
low fuel level warning light in the
cluster will come on.
It is recommended to look for the
nearest fueling station and refuel as
soon as possible.
Add fuel as soon as possible.
Icy Road Warning (if equipped)
This warning message is to warn the
driver the road may be icy.
When the temperature on the out-
side temperature gauge is approxi-
mately below 4°C (40°F), the Icy
Road Warning message.
Information
If the icy road warning message
appears while driving, you should
drive more attentively and safely
refraining from over-speeding, rapid
acceleration, sudden braking or sharp
turning, etc.
Engine has overheated/
Engine overheated
This warning message is displayed
when the engine coolant tempera-
ture is above 120°C (248°F). This
means that the engine is overheated
and may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.
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5-164
Driving your vehicle
Check spark plugs and ignition
system
Inspect your spark plugs as
described in chapter 7 and replace
them if necessary. Also check all
ignition wiring and components to be
sure they are not cracked, worn or
damaged in any way.
Use approved window washer
anti-freeze in system
To keep the water in the window
washer system from freezing, add an
approved window washer anti-freeze
solution in accordance with instruc-
tions on the container. Window wash-
er anti-freeze is available from an
authorized HYUNDAI dealer and
most auto parts outlets. Do not use
engine coolant or other types of anti-
freeze as these may damage the
paint finish.
Do not let your parking brake
freeze
Under some conditions your parking
brake can freeze in the engaged
position. This is most likely to happen
when there is an accumulation of
snow or ice around or near the rear
brakes or if the brakes are wet. If
there is a risk the parking brake may
freeze, apply it only temporarily while
you put the gear selector lever in P
and block the rear wheels so the car
cannot roll. Then release the parking
brake.
Do not let ice and snow accu-
mulate underneath
Under some conditions, snow and
ice can build up under the fenders
and interfere with the steering. When
driving in severe winter conditions
where this may happen, you should
periodically check underneath the
car to be sure the movement of the
front wheels and the steering com-
ponents is not obstructed.
Don't place foreign objects or
materials in the engine com-
partment
Placement of foreign object or mate-
rials which prevent cooling of the
engine, in the engine compartment,
may cause a failure or combustion.
The manufacturer is not responsible
for the damage caused by such
placement.
To keep locks from freezing
To keep the locks from freezing,
squirt an approved de-icer fluid or
glycerine into the key opening. If a
lock is covered with ice, squirt it with
an approved de-icing fluid to remove
the ice. If the lock is frozen internally,
you may be able to thaw it out by
using a heated key. Handle the heat-
ed key with care to avoid injury.

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 (Hybrid vehicle) ........................................7-7
Owner Maintenance Schedule .......................................7-7
Scheduled Maintenance Services........................7-8
Normal Maintenance Schedule ......................................7-9
Maintenance Under Severe Usage Conditions ........7-12
Severe driving conditions..............................................7-13
Explanation of Scheduled Maintenance
Items ......................................................................7-14
Engine Oil ..............................................................7-16
Checking the Engine Oil Level .....................................7-16
Checking the Engine Oil and Filter .............................7-17
Engine Coolant/Inverter Coolant .......................7-18
Checking the Coolant Level ..........................................7-18
Changing Coolant ............................................................7-21
Hybrid Starter & Generator (HSG) Belt ...........7-21
Checking the Hybrid Starter &
Generator (HSG) Belt .....................................................7-21
Brake Fluid ............................................................7-22
Checking the Brake Fluid Level ...................................7-22
Washer Fluid .........................................................7-23
Checking the Washer Fluid Level................................7-23
Parking Brake .......................................................7-23
Checking the Parking Brake .........................................7-23
Air Cleaner ............................................................7-24
Filter Replacement ..........................................................7-24
Climate Control Air Filter ....................................7-26
Filter inspection ...............................................................7-26
Wiper Blades.........................................................7-28
Blade inspection ..............................................................7-28
Blade Replacement .........................................................7-28
Battery (12 Volt, Plug-In Hybrid Vehicle) ........7-31
For Best Battery Service ..............................................7-32
Battery Recharging ........................................................7-32
Reset Features.................................................................7-33
Tires and Wheels .................................................7-34
Tire Care ............................................................................7-34
Recommended Cold Tire Inflation Pressures ...........7-35
Check Tire Inflation Pressure ......................................7-36
Tire Rotation.....................................................................7-377

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7
Maintenance
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OAE078001
1. Engine coolant reservoir
2. Engine coolant cap
3. Inverter coolant reservoir
4. Brake fluid reservoir
5. Air cleaner
6. Engine oil dipstick
7. Engine oil filler cap
8. Windshield washer fluid reservoir
9. Fuse box
The actual engine compartment in the vehicle may differ from the illustration. ■ ■
Hybrid vehicle