overheating HYUNDAI IONIQ 5 2023 Owners Manual

Foreword / Electric Vehicle System Overview
1-16
1. Connect to the power outlet located
in bottom of the rear seat with the
Vehicle Stop/Start button in the ON position.
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2. Use the smart key to unlock the power outlet cover.
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3. Check the operation status through the front indicator of the power outlet.
- Blue: Standby
- Red: No power supply even the power outlet is connected
- Green: Normal power supply through the normal connection of
the power outlet.
Information
• V2L discharging mode will shut off if
the vehicle is off using indoor V2L on the vehicle state of ON.
• Opening the charging door or
connecting the V2L connector to the
charging inlet, the V2L discharging mode will shut off. If you want to
use the indoor and outdoor V2L
simultaneously, firstly connect the V2L
connector to the charging inlet and use
the indoor V2L.
CAUTION
• Be well-informed of the manual to
prevent accidents.
• The V2L discharging mode is
blocked automatically in case of
overheating. (When the discharging
mode is blocked, check whether
the V2L connector or power plug
is contaminated, worn, corroded
or broken or the home appliance
capacity is over 16 A. If the
temperature falls to proper level
after it is left unattended, you can
use it again. Use proper home
appliances.)
• Do not remodel or disassemble
the provided V2L connector. The
failure caused by remodeling or
disassembling is not covered by the
warrant.
• Do not drop the V2L connector or
give a strong impact to it.
• Do not place objects on the V2L
connector.
• Be sure to disconnect the V2L
connector from the vehicle when you
are finished using V2L.

01
1-19
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V2L conditions not met
If V2L is interrupted for any of the
following reasons, a warning message is
displayed. • V2L connector switch off
• V2L connector overheating
• Opening the charging door while
using the V2L indoor outlet
Make sure there are no problems with
the V2L connector and the vehicle indoor
outlet.
Nearby Stations
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Select ‘EV → Map’ on the screen. Stations
around the current location are searched.
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Select ‘Search for charging stations’ on
the screen.

01
1-43
IndicatorDetails
Error code
On : Error while charging/ Error during self-diagnosis
Error code Item Cause
E1 Control Pilot
communication Vehicle communication error
E2 Leakage Current leakage
E3 Charger error
E4 Plug temperature Plug overtemperature
warning
E5 Plug temperature failure
E6 Charger error
E7 Overcurrent Charging overcurrent warning
E8 Internal temperature Charger overheating
E9 Charger error
F1 Relay fusion Charger error
F2 Ground Monitoring/
Interrupt Poor grounding of outlet
F3 Switched mode power
supply power failure Switched mode power supply
error (voltage failure)
F4 Switched mode power supply
error (abnormal voltage)
F5 Control Pilot voltage
error Control Pilot (-) voltage error
F6 Control Pilot (+) voltage error
F7 Temperature sensor
error Plug temperature sensor error
F8 PCB internal temperature
sensor error

Convenience Features
5 -76
Automatic reverse
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During power opening or closing if the
power liftgate senses any obstacle, the
power liftgate will stop and move in the
opposite direction.
The auto reverse function may not work
if objects are too soft or thin, or if the
liftgate is almost fully closed near the
latched position.
Caution should be taken to prevent any
objects from obstructing the liftgate opening.
If the automatic reverse feature operates
more than two times while attempting
to open or close the liftgate, the power
liftgate may stop at that position. If
this occurs, carefully close the liftgate
manually, and then try to operate the
power liftgate automatically again.
WARNING
Never intentionally place any object
or part of your body in the path of
the power liftgate to make sure the
automatic reverse function operates.
NOTICE
Do not put heavy objects on the power
liftgate before you operate the power
liftgate. Additional weight may damage
the operation of the system. Non-operating conditions of the
power liftgate •
The power liftgate does not open
when the vehicle is in motion.
The chime will sound if you drive with
the liftgate opened. Stop your vehicle
immediately at a safe place and check
if your liftgate is opened.
• Operating the power liftgate more
than 5 times continuously could
cause damage to the operating motor.
If this occurs, the power liftgate
system enters into thermal protection
mode to prevent the motor from
overheating. In thermal protection
mode, the power liftgate will not
operate. If any of the power liftgate
buttons are pressed to try to open the
liftgate, the chime will sound 3 times
but the liftgate will remain closed.
Allow the power liftgate system
to cool for about 1 minute before
operating the system again.

06
6-15
Good Driving Practices
• Never shift the gear from P (Park) or
N (Neutral) to any other position with
the accelerator pedal depressed.
• Never shift the gear into P (Park) when
the vehicle is in motion.
Be sure the vehicle is completely
stopped before you attempt to shift
into R (Reverse) or D (Drive).
• Do not shift the gear to N (Neutral)
when driving. If the gear is shifted to
N (Neutral) while driving. Doing so
may increase the risk of an accident.
Also, shift the gear back to D (Drive)
while the vehicle is moving may
severely damage the reduction gear.
• When driving uphill or downhill,
always shift to D (Drive) for driving
forward or shift to R (Reverse) for
driving backwards, and check the
gear position indicated on the cluster
or the rotary gear shift dial before
driving. Driving in the opposite
direction of the selected gear, can
lead to a dangerous situation by
shutting off the vehicle and affecting
the braking performance.
• Do not drive with your foot resting
on the brake pedal. Even light, but
consistent pedal pressure can result
in the brakes overheating, brake wear
and possibly even brake failure.
• Always apply the parking brake when
leaving the vehicle. Do not depend
on placing the shift gear in P (Park) to
keep the vehicle from moving.
• Exercise extreme caution when
driving on a slippery surface. Be
especially careful when braking,
accelerating or shifting gears. On a
slippery surface, an abrupt change
in vehicle speed can cause the drive
wheels to lose traction and may cause
loss of vehicle control resulting in an
accident. •
Optimum vehicle performance and
economy is obtained by smoothly
depressing and releasing the
accelerator.
WARNING
To reduce the risk of SERIOUS INJURY
or DEATH: • ALWAYS wear your seat belt. In a
collision, an unbelted occupant
is significantly more likely to be
seriously injured or killed than a
properly belted occupant.
• Avoid high speeds when cornering or turning.
• Do not make quick steering wheel
movements, such as sharp lane
changes or fast, sharp turns.
• The risk of rollover is greatly
increased if you lose control of your
vehicle at highway speeds.
• Loss of control often occurs if two or
more wheels drop off the roadway
and the driver over steers to reenter
the roadway.
• In the event your vehicle leaves
the roadway, do not steer sharply.
Instead, slow down before pulling
back into the travel lanes.
• HYUNDAI Vehicle recommends you
to follow all posted speed limits.

Driving Your Vehicle
6-42
Good Braking Practices
WARNING
Whenever leaving the vehicle or
parking, always come to a complete
stop and continue to depress the brake
pedal. Shift the gear to the P (Park)
position, then apply the parking brake,
and press the Start/Stop button to the OFF position.
Vehicles parked with the parking brake
not applied or not fully engaged may
roll inadvertently and may cause injury
to the driver and others. ALWAYS apply
the parking brake before exiting the
vehicle. Be aware of wet brakes. The brakes may
get wet if the vehicle is driven through
standing water or if it is washed. Your
vehicle will not stop as quickly if the
brakes are wet. Wet brakes may cause
the vehicle to pull to one side.
To dry the brakes, apply the brakes
lightly until the braking action returns to
normal. If the braking action does not
return to normal, stop as soon as it is safe
to do so and call an authorized HYUNDAI
dealer for assistance.
DO NOT drive with your foot resting on
the brake pedal. Even light, but constant
pedal pressure can result in the brakes
overheating, brake wear, and possibly
even brake failure.
If a tire goes flat while you are driving,
apply the brakes gently and keep the
vehicle pointed straight ahead while you
slow down. When you are moving slowly
enough for it to be safe to do so, pull off
the road and stop in a safe location.
Keep your foot firmly on the brake pedal
when the vehicle is stopped to prevent
the vehicle from rolling forward.

06
6-53
Rocking the Vehicle
If it is necessary to rock the vehicle to
free it from snow, sand, or mud, first turn
the steering wheel right and left to clear
the area around your front wheels. Then,
shift back and forth between R (Reverse)
and a forward gear.
Try to avoid spinning the wheels, and do
not race the vehicle.
To prevent reduction gear wear, wait
until the wheels stop spinning before
shifting gears. Release the accelerator
pedal while shifting, and press lightly on
the accelerator pedal while the reduction
gear is in gear. Slowly spinning the
wheels in forward and reverse directions
causes a rocking motion that may free
the vehicle.
WARNING
If the vehicle is stuck and excessive
wheel spin occurs, the temperature
in the tires can increase very quickly.
If the tires become damaged, a tire
blow out or tire explosion can occur.
This condition is dangerous - you and
others may be injured. Do not attempt
this procedure if people or objects are
anywhere near the vehicle.
If you attempt to free the vehicle, the
vehicle can overheat quickly, possibly
causing an motor compartment fire or
other damage. Try to avoid spinning the
wheels as much as possible to prevent
overheating of either the tires or the
motor. DO NOT allow the vehicle to spin
the wheels above 35 mph (56 km/h).
Hazardous Driving Conditions
When hazardous driving elements
are encountered such as water, snow,
ice, mud and sand, take the following
precautions: • Drive cautiously and maintain a longer
braking distance.
• Avoid abrupt braking or steering.
• When your vehicle is stuck in
snow, mud, or sand, use second
gear. Accelerate slowly to avoid unnecessary wheel spin.
• Put sand, rock salt, tire chains or other
non-slip materials under the wheels to
provide additional traction while the
vehicle becomes stuck in ice, snow, or mud.
WARNING
Changing the tire speed suddenly could
cause the tires to skid while driving
on slippery surface. Be careful when
driving on slippery surfaces.
Special driving conditionS

Driving Your Vehicle
6-54
Information
The ESC system must be turned OFF
before rocking the vehicle.
NOTICE
If you are still stuck after rocking the
vehicle a few times, have the vehicle
pulled out by a tow vehicle to avoid
motor overheating, possible damage
to the reduction gear, and tire damage.
See “Towing” section in chapter 8.
Smooth Cornering
Avoid braking or gear changing in
corners, especially when roads are wet.
Ideally, corners should always be taken
under gentle acceleration.
Driving at Night
Night driving presents more hazards than
driving in the daylight. Here are some
important tips to remember: • Slow down and keep more distance
between you and other vehicles, as it
may be more difficult to see at night,
especially in areas where there may
not be any street lights.
• Adjust your mirrors to reduce the glare
from other drivers’ headlamps.
• Keep your headlamps clean and
properly aimed. Dirty or improperly
aimed headlamps will make it much
more difficult to see at night.
• Avoid staring directly at the
headlamps of oncoming vehicles. You
could be temporarily blinded, and it
will take several seconds for your eyes
to readjust to the darkness.
Driving in the Rain
Rain and wet roads can make driving
dangerous. Here are a few things to
consider when driving in the rain or on
slick pavement: • Slow down and allow extra following
distance. A heavy rainfall makes
it harder to see and increases the
distance needed to stop your vehicle.
• Turn OFF your Cruise Control. (if equipped)
• Replace your windshield wiper blades
when they show signs of streaking or
missing areas on the windshield.
• Be sure your tires have enough tread.
If your tires do not have enough tread,
making a quick stop on wet pavement
can cause a skid and possibly lead to
an accident. See “Tire Tread” section
in chapter 9 .
• Turn on your headlamps to make it
easier for others to see you.
• Driving too fast through large puddles
can affect your brakes. If you must go
through puddles, try to drive through
them slowly.
• If you believe your brakes may be wet,
apply them lightly while driving until
normal braking operation returns.

Driving Your Vehicle
6 -74
Driving on hills
Reduce speed before you start down a
long or steep downgrade.
On a long uphill grade, reduce your
speed to around 45 mph (70 km/h)
to reduce the possibility of motor
overheating.
NOTICE
To prevent motor overheating:
When towing a trailer, your vehicle
speed may be much slower than the
general flow of traffic, especially when
climbing an uphill grade. Use the right
hand lane when towing a trailer on an
uphill grade. Choose your vehicle speed
according to the maximum posted
speed limit for vehicles with trailers, the
steepness of the grade, and your trailer
weight.Parking on hills
Generally, if you have a trailer attached
to your vehicle, you should not park your
vehicle on a hill.
However, if you ever have to park your
trailer on a hill, here’s how to do it: 1.
Pull the vehicle into the parking space.
Turn the steering wheel in the
direction of the curb (right if headed
down hill, left if headed up hill).
2. Shift the gear to P (Park).
3. Set the parking brake and shut off the vehicle.
4. Place wheel chocks under the trailer
wheels on the down hill side of the wheels.
5. Start the vehicle, hold the brakes, shift to neutral, release the parking brake
and slowly release the brakes until the
trailer chocks absorb the load.
6. Reapply the brakes and parking brakes.
7. Shift the gear to P (Park) when the
vehicle is parked on a uphill grade and
in R (Reverse) on a downhill.
8. Shut off the vehicle and release the vehicle brakes but leave the parking
brake set.

06
6-75
WARNING
To prevent serious or fatal injury: • Do not get out of the vehicle without
the parking brake firmly set. If you
have left the vehicle running, the
vehicle can move suddenly. You and
others could be seriously or fatally
injured.
• Do not apply the accelerator pedal to
hold the vehicle on an uphill.
Driving the vehicle after it has been
parked on a hill
1. With the gear in P (Park), apply your brakes and hold the brake pedal down
while you:
• Start your vehicle;
• Shift into gear; and
• Release the parking brake.
2. Slowly remove your foot from the brake pedal.
3. Drive slowly until the trailer is clear of the chocks.
4. Stop and have someone pick up and
store the chocks.Maintenance when Towing a
Trailer
Your vehicle will need service more
often when you regularly pull a trailer.
Important items to pay particular
attention to include reduction gear fluid,
axle lubricant and cooling system fluid.
Brake condition is another important
item to frequently check. If you’re
trailering, it’s a good idea to review these
items before you start your trip. Don’t
forget to also maintain your trailer and
hitch. Follow the maintenance schedule
that accompanied your trailer and check
it periodically. Preferably, conduct the
check at the start of each day’s driving.
Most importantly, all hitch nuts and bolts
should be tight.
NOTICE
To prevent vehicle damage: • Due to higher load during trailer
usage, overheating might occur on
hot days or during uphill driving.
• When towing check reduction gear
fluid more frequently.