battery HYUNDAI IONIQ 2020 Service Manual

5-140
Driving your vehicle
When using tire chains:
Wrong size chains or improperly
installed chains can damage
your vehicle's brake lines, sus-
pension, body and wheels.
Use SAE "S" class or wire
chains.
If you hear noise caused by
chains contacting the body,
retighten the chain to prevent
contact with the vehicle body.
To prevent body damage,
retighten the chains after driving
0.3~0.6 miles (0.5~1.0 km).
Do not use tire chains on vehi-
cles equipped with aluminum
wheels. If unavoidable, use a
wire type chain.
Use wire chains less than 0.47 in
(12 mm) thick to prevent damage
to the chain's connection.
Winter Precautions
Change to "winter weight" oil if
necessary
In some climates it is recommended
that a lower viscosity "winter weight"
oil be used during cold weather. See
chapter 8 for recommendations. If
you aren't sure what weight oil you
should use, consult an authorized
HYUNDAI dealer.
Check battery and cables
Winter puts additional burdens on
the battery system. Visually inspect
the battery and cables as described
in chapter 7. The level of charge in
your battery can be checked by an
authorized HYUNDAI dealer or a
service station.
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
coolant or other types of anti-freeze
as these may damage the paint fin-
ish.
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 shift to P (Park) and block the
rear wheels so the car cannot roll.
Then release the parking brake.
NOTICE

What to do in an emergency
6
Hazard Warning Flasher .......................................6-2
In Case of an Emergency While Driving.............6-2
If the Vehicle Stalls While Driving .................................6-2
If the Vehicle Stalls at a Crossroad or Crossing .......6-2
If you Have a Flat Tire While Driving ..........................6-3
If the Vehicle Will Not Start .................................6-3
Confirm the EV Battery Is Not Low on the Charge
Gauge ...................................................................................6-3
Jump Starting (12V Battery) ................................6-4
If the Vehicle Overheats .......................................6-7
Tire Pressure Monitoring System (TPMS).........6-8
Check Tire Pressure .........................................................6-8
Tire Pressure Monitoring System .................................6-9
Low Tire Pressure Telltale ............................................6-10
Low Tire Pressure LCD Display with
Position Indicator ............................................................6-10
TPMS Malfunction Indicator ........................................6-11
Changing a Tire with TPMS..........................................6-12
If You Have a Flat Tire........................................6-14
With Tire Mobility Kit (TMK) ........................................6-14
Towing ...................................................................6-21
Towing service .................................................................6-21
Removable Towing Hook ...............................................6-22
Emergency Towing..........................................................6-23

6-3
What to do in an emergency
If you Have a Flat Tire While
Driving
If a tire goes flat while you are driving:
Take your foot off the accelerator
pedal and let the vehicle slow down
while driving straight ahead. Do not
apply the brakes immediately to
slow down the vehicle, but use the
paddle shifter (left side lever) to
increase regenerative braking con-
trol. Also, do not or attempt to pull
off the road as this may cause loss
of vehicle control resulting in an
accident. When the vehicle has
slowed to such a speed that it is
safe to do so, brake carefully and
pull off the road. Drive off the road
as far as possible and park on firm,
level ground. If you are on a divided
highway, do not park in the median
area between the two traffic lanes.
When the vehicle is stopped, press
the hazard warning flasher button,
shift to P(Park), apply the parking
brake, and place the POWER but-
ton in the OFF position. Have all passengers get out of the
vehicle. Be sure they all get out on
the side of the vehicle that is away
from traffic.
When changing a flat tire, follow
the instructions provided later in
this chapter.
Confirm the EV Battery Is Not
Low on the Charge Gauge
Be sure the gear is in P (Park). The
vehicle starts only when the gear is
in P (Park).
Check the 12-volt battery connec-
tions to be sure they are clean and
tight.
Turn on the interior light. If the light
dims or goes out when you operate
the starter, the battery is drained.
Do not push or pull the vehicle to
start it. This could cause damage to
your vehicle. See instructions for
"Jump Starting" provided in this
chapter.
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6-4
What to do in an emergency
Jump starting can be dangerous if
done incorrectly. Follow the jump
starting procedure in this section to
avoid serious injury or damage to
your vehicle. If in doubt about how to
properly jump start your vehicle, we
strongly recommend that you have a
service technician or towing service
do it for you.
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To prevent SERIOUS INJURY or
DEATH to you or bystanders,
always follow these precautions
when working near or handling
the battery:
Always read and follow
instructions carefully
when handling a battery.
Wear eye protection
designed to protect the
eyes from acid splashes.
Keep all flames, sparks,
or smoking materials
away from the battery.
(Continued)
WARNING
(Continued)
Hydrogen is always
present in battery cells,
is highly combustible,
and may explode if ignit-
ed.
Keep batteries out of
reach of children.
Batteries contain sulfu-
ric acid which is highly
corrosive. Do not allow
acid to contact your
eyes, skin or clothing.
If acid gets into your eyes, flush
your eyes with clean water for at
least 15 minutes and get imme-
diate medical attention. If acid
gets on your skin, thoroughly
wash the area. If you feel pain or
a burning sensation, get med-
ical attention immediately.
(Continued)(Continued)
•When lifting a plastic-cased
battery, excessive pressure
on the case may cause battery
acid to leak. Lift with a battery
carrier or with your hands on
opposite corners.
Do not attempt to jump start
your vehicle if your battery is
frozen.
NEVER attempt to recharge
the battery when the vehicle's
battery cables are connected
to the battery.
The electrical ignition switch
works with high voltage.
NEVER touch these compo-
nents with the " " indicator
ON or when the POWER but-
ton is in the ON position.

6-5
What to do in an emergency
6
Information
An inappropriately disposed
battery can be harmful to the
environment and human
health. Dispose the battery
according to your local law(s)
or regulations.
To prevent damage to your vehi-
cle:
Only use a 12-volt power supply
(battery or jumper system) to
jump start your vehicle.
Do not attempt to jump start
your vehicle by push-starting.
Jump starting procedure
1. Position the vehicles close enough
that the jumper cables will reach,
but do not allow the vehicles to
touch.
2. Avoid fans or any moving parts in
the motor compartment at all
times, even when the vehicles are
turned off.
3. Turn off all electrical devices such
as radios, lights, air conditioning,
etc. Put the vehicles in P (Park)
and set the parking brakes. Turn
both vehicles OFF.4. Connect the jumper cables in the
exact sequence shown in the illus-
tration. First connect one jumper
cable to the red, positive (+)
jumper terminal of your vehicle
(1).
5. Connect the other end of the
jumper cable to the red, positive
(+) battery/jumper terminal of the
assisting vehicle (2).
6. Connect the second jumper cable
to the black, negative (-) battery/
chassis ground of the assisting
vehicle (3).
NOTICE
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6-6
What to do in an emergency
7. Connect the other end of the sec-
ond jumper cable to the black,
negative (-) chassis ground of
your vehicle (4).
Do not allow the jumper cables to
contact anything except the cor-
rect battery or jumper terminals or
the correct ground. Do not lean
over the battery when making
connections.
8. Start the motor of the assisting
vehicle and let it run at approxi-
mately 2,000 rpm for a few min-
utes. Then start your vehicle.
9. After your vehicle starts allow it to
operate at least 30 minutes with-
out shutting it down, this will help
charge back the 12V battery.
If your vehicle will not start after a
few attempts, it probably requires
servicing. In this event please seek
qualified assistance. If the cause of
your battery discharging is not
apparent, have your vehicle checked
by an authorized HYUNDAI dealer.Disconnect the jumper cables in the
exact reverse order you connected
them:
1. Disconnect the jumper cable from
the black, negative (-) chassis
ground of your vehicle (4).
2. Disconnect the other end of the
jumper cable from the black, neg-
ative (-) battery/chassis ground of
the assisting vehicle (3).
3. Disconnect the second jumper
cable from the red, positive (+)
battery/jumper terminal of the
assisting vehicle (2).
4. Disconnect the other end of the
jumper cable from the red, positive
(+) jumper terminal of your vehicle
(1).

6-15
What to do in an emergency
6
The Tire Mobility Kit is not designed
or intended as a permanent tire
repair method and is to be used for
one tire only.
This instruction shows you step by
step how to temporarily seal the
puncture simply and reliably.
Read the section "Notes on the safe
use of the Tire Mobility Kit".
Notes on the safe use of the
Tire Mobility Kit
Park your car at the side of the
road so that you can work with the
Tire Mobility Kit away from moving
traffic.
To be sure your vehicle will not
move, even when you're on fairly
level ground, always set your park-
ing brake.
Only use the Tire Mobility Kit for
sealing/inflation passenger car
tires. Only punctured areas located
within the tread region of the tire
can be sealed using the tire mobil-
ity kit.
Do not use on motorcycles, bicy-
cles or any other type of tires. When the tire and wheel are dam-
aged, do not use Tire Mobility Kit
for your safety.
Use of the Tire Mobility Kit may not
be effective for tire damage larger
than approximately 0.15 inch (4
mm).
Please contact the nearest
HYUNDAI dealership if the tire
cannot be made roadworthy with
the Tire Mobility Kit.
Do not use the Tire Mobility Kit, if a
flat tire or an under-inflated tire is
further severely damaged by being
continuously driven.
Do not remove any foreign objects
such as nails or screws that have
penetrated the tire.
Provided the car is outdoors, leave
the vehicle ON ( indicator ON).
Otherwise operating the compres-
sor may eventually drain the car
battery. Never leave the Tire Mobility Kit
unattended while it is being used.
Do not leave the compressor run-
ning for more than 10 minutes at a
time or it may overheat.
Do not use the Tire Mobility Kit if
the ambient temperature is below
-22°F (-30°C) or over 158°F
(70°C).
In case of skin contact with the
sealant, wash the area thoroughly
with plenty of water. If the irritation
persists, seek medical attention.
In case of eye contact with the
sealant, flush your eyes for at least
15 minutes. If the irritation persists,
seek medical attention.
In case of swallowing the sealant,
rinse the mouth and drink plenty of
water. However, never give any-
thing to an unconscious person
and seek medical attention imme-
diately.
Long time exposure to the sealant
may cause damage to bodily tissue
such as kidney, etc.

7
Maintenance
7
Maintenance
Motor Compartment ..............................................7-3
Maintenance Services ...........................................7-4
Owner's Responsibility .....................................................7-4
Owner Maintenance Precautions..................................7-4
Owner Maintenance ..............................................7-5
Owner Maintenance Schedule .......................................7-6
Scheduled Maintenance Services........................7-7
Normal Maintenance Schedule ......................................7-8
Maintenance Under Severe Usage Conditions ........7-10
Explanation of Scheduled Maintenance Items..7-11
Coolant...................................................................7-12
Brake Fluid ............................................................7-13
Checking the Brake Fluid Level ...................................7-13
Washer Fluid .........................................................7-14
Checking the Washer Fluid Level................................7-14
Climate Control Air Filter ....................................7-15
Filter Inspection ...............................................................7-15
Wiper Blades.........................................................7-17
Blade Inspection ..............................................................7-17
Blade Replacement .........................................................7-17
12V Battery ...........................................................7-20
For Best Battery Service ..............................................7-21
Battery Recharging ........................................................7-21
Reset Features.................................................................7-22
Tires and Wheels .................................................7-23
Tire Care ............................................................................7-23
Recommended Cold Tire Inflation Pressures ...........7-24
Check Tire Inflation Pressure ......................................7-25
Tire Rotation.....................................................................7-26
Wheel Alignment and Tire Balance ............................7-27
Tire Replacement ............................................................7-27
Wheel Replacement ........................................................7-28
Tire Traction .....................................................................7-28
Tire Maintenance ............................................................7-28
Tire Sidewall Labeling ....................................................7-28
Tire Terminology and Definitions................................7-32
All Season Tires ...............................................................7-36
Summer Tires ...................................................................7-36
Snow Tires ........................................................................7-36
Radial-Ply Tires ...............................................................7-36
Low Aspect Ratio Tires..................................................7-37
7

7-3
7
Maintenance
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1. Coolant reservoir
2. Brake fluid reservoir
3. Fuse box
4. Battery (12 volt)
5. Coolant cap
6. Windshield washer fluid reservoir
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The actual motor compartment in the vehicle may differ from the illustration.

7-5
7
Maintenance
O OW
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The following lists are vehicle checks
and inspections that should be per-
formed by the owner or an author-
ized HYUNDAI dealer at the frequen-
cies indicated to help ensure safe,
dependable operation of your vehi-
cle.
Any adverse conditions should be
brought to the attention of your deal-
er as soon as possible.
These Owner Maintenance vehicle
checks are generally not covered by
warranties and you may be charged
for labor, parts and lubricants used. Performing maintenance work
on a vehicle can be dangerous.
If you lack sufficient knowledge
and experience or the proper
tools and equipment to do the
work, have it done by an author-
ized HYUNDAI dealer.
ALWAYS follow these precau-
tions for performing mainte-
nance work:
•Park your vehicle on level
ground, shift to the P (Park)
position, apply the parking
brake, and place the POWER
button in the OFF position.
(Continued)
WARNING (Continued)
Block the tires (front and
back) to prevent the vehicle
from moving.
Remove loose clothing or jew-
elry that can become entan-
gled in moving parts.
Keep flames, sparks, or smok-
ing materials away from the
battery related parts.