2023 HYUNDAI SONATA engine overheat

06
6-27
Parking
Always come to a complete stop and
continue to depress the brake pedal.
Move the shift lever/button into the P
(Park) position, apply the parking brake,
and place the ignition switch in the
LOCK/OFF position. Take the Key with
you when exiting the vehicle.
WARNING
When you stay in the vehicle with
the engine running, be careful not to
depress the accelerator pedal for a long
period of time. The engine or exhaust
system may overheat and start a fire.
The exhaust gas and the exhaust system
are very hot. Keep away from the
exhaust system components.
Do not stop or park over flammable
materials, such as dry grass, paper or
leaves. They may ignite and cause a fire.
LCD display message (button
type)
Shifting conditions not met. Reduce speed, then shift
The warning message appears on the
LCD display, when engine RPM is too
high, or when driving speed is too fast to
shift the gear.
We recommend you decrease the engine
speed or slow down before shifting the
gear.
Press brake pedal to change gear
The warning message appears on the
LCD display, when the brake pedal is not
depressed while shifting the gear.
We recommend you to depress the brake
pedal and then shift the gear.
Shift to P after stopping
The warning message appears on the
LCD display, when the gear is shifted to P
(Park) while the vehicle is moving.
Stop the vehicle before shifting to P
(Park).
PARK engaged
The warning message appears on the
LCD display, when the gear is shifted to P
(Park) while the vehicle is moving.
Stop the vehicle before shifting to P
(Park).

06
6-29
Good driving practices
• Never move the shift lever/button
from P (Park) or N (Neutral) to any
other position with the accelerator
pedal depressed.
• Never move the shift lever/button 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 move the shift lever/button
to N (Neutral) when driving. Doing
so may result in an accident because
of a loss of engine braking and the
transmission could be damaged.
• 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 transmission 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 seatbelt. 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 recommends you follow all
posted speed limits.

While Driving
6-30
BrAke SySteM
Power Brakes
Your vehicle has power-assisted brakes
that adjust automatically through normal usage.
If the engine is not running or is turned
off while driving, the power assist for
the brakes will not work. You can still
stop your vehicle by applying greater
force to the brake pedal than typical.
The stopping distance, however, will be
longer than with power brakes.
When the engine is not running, the
reserve brake power is partially depleted
each time the brake pedal is applied.
Do not pump the brake pedal when the
power assist has been interrupted.
Only pump the brakes on slippery
surfaces if the power assist has been
interrupted to maintain steering control.
Do not pump the brakes on slippery
surfaces if the brakes are operating
normally.
WARNING
Take the following precautions: • Do not drive with your foot resting
on the brake pedal. This will create
abnormal high brake temperatures,
excessive brake lining and pad wear,
and increased stopping distances.
• When descending down a long or
steep hill, move the gear shift button
to Manual Shift Mode and manually
downshift to a lower gear in order
to control your speed without using
the brake pedal excessively. Applying
the brakes continuously will cause
the brakes to overheat and could
result in a temporary loss of braking
performance.
• Wet brakes may impair the vehicle's
ability to safely slow down; the
vehicle may also pull to one side
when the brakes are applied.
Applying the brakes lightly will
indicate whether they have been
affected in this way. Always test your
brakes in this fashion after driving
through deep water. To dry the
brakes, lightly tap the brake pedal to
heat up the brakes while maintaining
a safe forward speed until brake
performance returns to normal.
Avoid driving at high speeds until the
brakes function correctly.
Disc Brakes Wear Indicator
When your brake pads are worn and new
pads are required, you will hear a high
pitched warning sound from your front
or rear brakes. You may hear this sound
come and go or it may occur whenever
you depress the brake pedal.
Note that some driving conditions or
climates may cause a brake squeal
when you first apply (or lightly apply)
the brakes. This is normal and does not
indicate a problem with your brakes.
NOTICE
To avoid costly brake repairs, do not
continue to drive with worn brake pads.
Information
Always replace brake pads as complete
front or rear axle sets.

While Driving
6-32
EPB (Electronic Parking Brake) may be automatically applied when: •
Requested by other systems
• The driver turns the engine off while
Auto Hold is operating.
• The vehicle is parked on the slope and
the Engine Start/Stop button is in the OFF position.
• The Engine is turned off when the
driver tries to park but the vehicle still
moves a bit.
Warning messages
OAEE056115L
To release EPB, fasten seatbelt, close
door, hood and trunk • If you try to drive with the EPB
applied, a warning will sound and a
message will appear.
• If the driver's seat belt is unfastened and the engine hood or trunk is
opened, a warning will sound and a
message will appear.
• If there is a problem with the vehicle,
a warning may sound and a message
may appear.
If the situation occurs, depress the brake
pedal and release EPB by pressing the
EPB switch.
WARNING
• Whenever leaving the vehicle or
parking, always come to a complete
stop and continue to depress the
brake pedal.
Shift the gear into the P (Park) position, press the EPB switch, and
set the ignition switch to the OFF
position. Take the Key with you when
exiting the vehicle.
Vehicles not fully engaged in P (Park) with the parking brake set are at risk
for moving inadvertently and causing
injury to yourself or others.
• NEVER allow anyone who is
unfamiliar with the vehicle to touch
the EPB switch. If the EPB is released
unintentionally, serious injury may
occur.
• Only release the EPB when you are
seated inside the vehicle with your
foot firmly on the brake pedal.
NOTICE
• Do not apply the accelerator pedal
while the parking brake is engaged.
If you depress the accelerator pedal
with the EPB engaged, a warning will
sound and a message will appear.
Damage to the parking brake may
occur.
• Driving with the parking brake on
can overheat the braking system and
cause premature wear or damage
to brake parts. Make sure the EPB
is released and the Parking Brake
Warning Light is off before driving.

06
6-43
The Launch Control system controls the
vehicle to reduce wheel spin or slip on a
hard acceleration from a standing start.
Launch control operation and
release
Prerequisite for activation
The Launch Control gets ready to
be activated, when the following
prerequisites are satisfied. •
All doors, hood and trunk are closed.
• The driver’s seat belt is fastened.
• If the engine temperature is
overheated, cooling down it before
using the launch control.
• If the engine temperature is low,
warming up the engine.
• The vehicle is at a complete stop.
Then align the steering wheel straight.
• Release the parking brake by pressing
the EPB switch and if the AUTO HOLD
function is working, please turn off
the function by releasing the AUTO
HOLD button.
CAUTION
• The Launch Control system is
intended for use at a closed race
track and not intended for use on
public roads. It will not compensate
for driver’s who are inexperienced or
lack familiarity with the race track.
• The Launch performance may be
varied by fuel, environment, tire and
load condition.
• We recommend you use the function
after breaking in your vehicle and
constant use of Launch Control can
put enormous stress on the vehicle
resulting in premature wear of
related components. To Ready Launch Control
ODN8N050001L
1. Select SPORT+ mode using the drive mode selection Switch. (SPORT+
indicator will illuminate on the
instrument cluster LCD display.)
2. Turn off ESC by pressing the ESC OFF button for more than 3 seconds. (The
ESC OFF indicator will illuminate on
the instrument cluster.)
3. Shift to the D (Drive) position.
4. Depress the brake pedal firmly with
your left foot, and depressing the
accelerator pedal down fully with your
right foot. Then, the launch control
is ready for operation. The message
“Launch Control Ready” will appear
on the instrument cluster LCD display.
launch control(if equippeD)

While Driving
6-150
Hazardous Driving Conditions
When hazardous driving elements
are encountered such as water, snow,
ice, mud and sand, take the below
suggestions: • Drive cautiously and keep 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 or other non-slip
materials under the wheels to provide
additional traction while the vehicle
becomes stuck in ice, snow, or mud.
WARNING
Downshifting with an automatic
transmission while driving on slippery
surfaces can cause an accident. The
sudden change in tire speed could
cause the tires to skid. Be careful when
downshifting on slippery surfaces.
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 engine.
To prevent transmission 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 transmission
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
of 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 engine compartment fire
or other damage. Try to avoid spinning
the wheels as much as possible to
prevent overheating of either the tires
or the engine. DO NOT allow the vehicle
to spin the wheels above 56 km/h (35
mph).
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
engine overheating, possible damage to
the transmission, and tire damage. See
"Towing" in chapter 7.
special Driving conDitions

While Driving
6-152
Driving in Flooded Areas
Avoid driving through flooded areas
unless you are sure the water is no
higher than the bottom of the wheel hub.
Drive through any water slowly. Allow
adequate stopping distance because
brake performance may be reduced.
After driving through water, dry the
brakes by gently applying them several
times while the vehicle is moving slowly.
Highway Driving
Tires
Adjust the tire inflation, as specified.
Under-inflation may overheat or damage
the tires.
Do not install worn-out or damaged tires,
which may reduce traction or adversely
affect vehicle handling. This could lead
to sudden tire failure that may cause
loss of vehicle control resulting in an
accident.
Information
Never over-inflate your tires above the
maximum inflation pressure, as specified
on your tires.
Fuel, engine coolant and engine oil
Driving at higher speeds on the highway
consumes more fuel and is less efficient
than driving at a slower, more moderate
speed. Maintain a moderate speed in
order to conserve fuel when driving on
the highway.
Be sure to check both the engine coolant
level and the engine oil before driving.
Drive belt
A loose or damaged drive belt may
overheat the engine.

Hazard Warning Flasher ................................................................................. 7-2
In Case of an Emergency While Driving ........................................................7-2
If the Engine Stalls While Driving ............................................................................. 7-2
If the Engine Stalls at a Crossroad or Crossing .......................................................7-2
If you Have a Flat Tire While Driving ........................................................................ 7-3
If the Engine Will not Start ............................................................................. 7-3
If the Engine Doesn’t Turn Over or Turns Over Slowly ............................................7-3
If the Engine Turns Over Normally but Doesn’t Start ..............................................7-3
Jump Starting ................................................................................................ 7-4
If the Engine Overheats ................................................................................. 7-6
Tire Pressure Monitoring System (TPMS) .....................................................7-7
Check Tire Pressure ................................................................................................... 7-7
Tire Pressure Monitoring System ............................................................................ 7-8
Low Tire Pressure Telltale ........................................................................................ 7-9
Low Tire Pressure LCD Display with Position Indicator .........................................7-9
TPMS Malfunction Indicator ................................................................................... 7-10
Changing a Tire with TPMS .................................................................................... 7-10
If you Have a Flat Tire (With Spare Tire) ......................................................7-12
Jack and Tools ......................................................................................................... 7-12
Changing Tires ......................................................................................................... 7-13
Towing ........................................................................................................... 7-18
Towing Service ........................................................................................................ 7-18
Emergency Towing ................................................................................................. 7-19
Basic Troubleshooting Guide ...................................................................... 7-20
7. Emergency Situations
7