2019 Hyundai Sonata warning lights

5-43
Driving your vehicle
5
Electronic Stability Control
(ESC)
The Electronic Stability Control
(ESC) system helps to stabilize the
vehicle during cornering maneuvers.
ESC checks where you are steering
and where the vehicle is actually
going. ESC applies braking pressure
to any one of the vehicle's brakes
and intervenes in the engine man-
agement system to assist the driver
with keeping the vehicle on the
intended path. It is not a substitute
for safe driving practices. Always
adjust your speed and driving to the
road conditions.
ESC operation
ESC ON condition
When the ignition switch is in the ON
position, the ESC and the ESC OFF
indicator lights illuminate for approxi-
mately three seconds and goes off,
then the ESC is turned on.
When operating
When the ESC is in opera-
tion, the ESC indicator light
blinks:
When you apply your brakes under conditions which may lock the
wheels, you may hear sounds from
the brakes, or feel a corresponding
sensation in the brake pedal. This
is normal and it means your ESC is
active.
When the ESC activates, the engine may not respond to the
accelerator as it does under rou-
tine conditions.
Never drive too fast for the road
conditions or too quickly when
cornering. The ESC system will
not prevent accidents.
Excessive speed in turns, abrupt
maneuvers, and hydroplaning
on wet surfaces can result in
severe accidents.
WARNING
OLF057448

5-45
Driving your vehicle
5
Indicator lights
When the ignition switch is placed to
the ON position, the ESC indicator
light illuminates, then goes off if the
ESC system is operating normally.
The ESC indicator light blinks when-
ever the ESC is operating.
If ESC indicator light stays on, your
vehicle may have a malfunction with
the ESC system. When this warning
light illuminates have your vehicle
checked by an authorized HYUNDAI
dealer as soon as possible.The ESC OFF indicator light comes
on when the ESC is turned off.
Driving with varying tire or wheel
sizes may cause the ESC system
to malfunction. When replacing
tires, make sure they are the same
size as your original tires for this
vehicle.
ESC OFF usage
When Driving
The ESC OFF mode should only be
used briefly to help free the vehicle if
stuck in snow or mud by temporarily
stopping operation of the ESC to
maintain wheel torque.
To turn ESC off while driving, press
the ESC OFF button while driving on
a flat road surface.
NOTICE
When the ESC is blinking, this
indicates the ESC is active:
Drive slowly and NEVER
attempt to accelerate. NEVER
turn the ESC off while the ESC
indicator light is blinking or you
may lose control of the vehicle
resulting in an accident.
WARNING ■
ESC indicator light (blinks)
■ ESC OFF indicator light (comes on)

5-46
Driving your vehicle
To prevent damage to the trans-
mission:
Do not allow wheel(s) of one axle to spin excessively while
the ESC, ABS, and brake warn-
ing lights are displayed. The
repairs would not be covered by
the vehicle warranty. Reduce
engine power and do not spin
the wheel(s) excessively while
these lights are displayed.
When operating the vehicle on a dynamometer, ensure the ESC is
turned off (ESC OFF light illumi-
nated).
Information
Turning the ESC off does not affect
ABS or standard brake system opera-
tion.
Hill-Start Assist Control (HAC)
The Hill-Start Assist Control (HAC)
helps prevent the vehicle from rolling
backwards when starting a vehicle
from a stop on a hill. The system
operates the brakes automatically for
approximately 2 seconds and releas-
es the brake when the accelerator
pedal is depressed or after 2 sec-
onds. The HAC does not operate when
the shift lever is in P (Park) or N
(Neutral)
The HAC activates even though the ESC (Electronic Stability
Control) is off but does not acti-
vate when the ESC has malfunc-
tioned.
NOTICE
i
NOTICE
Always be ready to depress the
accelerator pedal when starting
off on a incline. The HAC acti-
vates only for approximately 2
seconds.
WARNING

6-2
The hazard warning flasher serves
as a warning to other drivers to exer-
cise extreme caution when
approaching, overtaking, or passing
your vehicle.
It should be used whenever emer-
gency repairs are being made or
when the vehicle is stopped near the
edge of a roadway.To turn the hazard warning flasher
on or off, press the hazard warning
flasher button with the ignition switch
in any position. The button is located
in the center fascia panel. All turn
signal lights will flash simultaneously.
• The hazard warning flasher oper-
ates whether your vehicle is run-
ning or not.
The turn signals do not work when the hazard flasher is on.
If the Engine Stalls While
Driving
Reduce your speed gradually,keeping a straight line. Move cau-
tiously off the road to a safe place.
Turn on your hazard warning flash- er.
Try to start the engine again. If your vehicle will not start, contact an
authorized HYUNDAI dealer or
seek other qualified assistance.
If the Engine Stalls at a
Crossroad or Crossing
If the engine stalls at a crossroad or
crossing, if safe to do so, move the
shift lever to the N (Neutral) position
and then push the vehicle to a safe
location.
H HA
AZ
ZA
A R
RD
D
W
W A
AR
RN
N I
IN
N G
G
F
F L
LA
A S
SH
H E
ER
R

What to do in an emergency
I
IN
N
C
C A
A S
SE
E
O
O F
F
A
A N
N
E
E M
M E
ER
R G
G E
EN
N C
CY
Y
W
W H
HI
IL
L E
E
D
D R
RI
IV
V I
IN
N G
G

OLF067001

7-8
Maintenance
Owner Maintenance Schedule
When you stop for fuel:
Check the engine oil level.
Check coolant level in the enginecoolant reservoir.
Check the windshield washer fluid level.
Check for low or under-inflated tires.
While operating your vehicle:
Note any changes in the sound ofthe exhaust or any smell of
exhaust fumes in the vehicle.
Check for vibrations in the steering wheel. Notice if there is any
increased steering effort or loose-
ness in the steering wheel, or
change in its straight-ahead posi-
tion.
Notice if your vehicle constantly turns slightly or "pulls" to one side
when traveling on smooth, level
road.
When stopping, listen and check for unusual sounds, pulling to one
side, increased brake pedal travel
or "hard-to-push" brake pedal.
If any slipping or changes in the operation of your transmission
occurs, check the transmission
fluid level.
Check the automatic transmission /ecoshift dual clutch transmission
P (Park) function.
Check the parking brake.
Check for fluid leaks under your vehicle (water dripping from the air
conditioning system during or after
use is normal).
At least monthly:
Check coolant level in the enginecoolant reservoir.
Check the operation of all exterior lights, including the stoplights, turn
signals and hazard warning flashers.
Check the inflation pressures of all tires including the spare for tires
that are worn, show uneven wear,
or are damaged.
Check for loose wheel lug nuts.
Be careful when checking your
engine coolant level when the
engine is hot. This may result in
coolant being blown out of the
opening and cause serious
burns and other injuries.
WARNING

7-56
Maintenance
F
FU
U S
SE
E S
S
A vehicle’s electrical system is pro-
tected from electrical overload dam-
age by fuses.
This vehicle has 2 (or 3) fuse panels,
one located in the driver's side panel
bolster, the other in the engine com-
partment near the battery.
If any of your vehicle's lights, acces-
sories, or controls do not work, check
the appropriate circuit fuse. If a fuse
has blown, the element inside the
fuse will be melted or broken.
If the electrical system does not
work, first check the driver's side
fuse panel. Before replacing a blown
fuse, turn the engine and all switches
off, and then disconnect the negative
battery cable. Always replace a
blown fuse with one of the same rat-
ing.
If the replacement fuse blows, this
indicates an electrical problem. Avoid
using the system involved and imme-
diately consult an authorized
HYUNDAI dealer.
The actual fuse/relay panel label
may differ from equipped items.Information
Three kinds of fuses are used: blade
type for lower amperage rating, car-
tridge type, and fusible link for higher
amperage ratings.
i
NOTICE
Normal
■
Blade type
■ Cartridge type Blown
Normal Blown
Normal Blown
OLF074075
Do not use a screwdriver or any
other metal object to remove
fuses because it may cause a
short circuit and damage the
system.
CAUTION
NEVER replace a fuse with any-
thing but another fuse of the
same rating.
A higher capacity fuse could
cause damage and possibly
cause a fire.
Do not install a wire or alu-
minum foil instead of the
proper fuse - even as a tem-
porary repair. It may cause
extensive wiring damage and
possibly a fire.
WARNING
Normal Blown
■ Multi fuse

I-6
Lane keeping Assist System (LKAS) .............................5-74Limitations of the System ..........................................5-82
LKAS function change ...............................................5-81
LKAS malfunction .....................................................5-79
LKAS Operation ........................................................5-75
LCD Display ...................................................................3-72 LCD Modes ................................................................3-72
Warning Messages......................................................3-80
Light ........................................................................\
......3-102 Exterior Lights..........................................................3-102
Interior Lights ...........................................................3-111
Smart High Beam .....................................................3-104
Welcome System ......................................................3-110
Light Bulbs .....................................................................7-6\
8 Headlamp, Parking Lamp, Turn Signal Lamp and Side Marker Light Bulb Replacement ....................7-69
High Mounted Stop Lamp..........................................7-74
Interior Light Bulb Replacement ...............................7-75
License Plate Light Bulb Replacement ......................7-75
Rear Combination Light Bulb Replacement ..............7-72
Side Repeater Lamp Replacement .............................7-72 Maintenance Services .......................................................7-6
Owner Maintenance Precautions..................................7-6
Owner's Responsibility.................................................7-6
Manual climate control system .....................................3-122 Heating and Air Conditioning ..................................3-123
System Maintenance ................................................3-130
System Operation .....................................................3-128
Mirrors ........................................................................\
....3-25 Inside Rearview Mirror ..............................................3-25
Reverse Parking Aid Function ...................................3-43
Side view Mirrors .......................................................3-40
Multimedia System ...........................................................4-2 Antenna ........................................................................\
4-2
Audio / Video / Navigation System (AVN) .................4-4
AUX, USB and iPod
®Port ..........................................4-2
Bluetooth®Wireless Technology Hands-Free ..............4-4
Features of Your Vehicle ..............................................4-7
How Vehicle Audio Works ...........................................4-5
Steering Wheel Audio Control .....................................4-3
Index
ML

I-10
Warning and indicator lights...........................................3-90Indicator Lights ..........................................................3-97
Warning Lights ...........................................................3-90
Washer Fluid ...................................................................7-30 Checking the Washer Fluid Level ..............................7-30
Windows ........................................................................\
.3-44 Power Windows..........................................................3-45
Windshield defrosting and defogging ...........................3-144 Automatic Climate Control System .........................3-145
Defogging logic ........................................................3-146
Manual Climate Control System ..............................3-144
Winter Driving ..............................................................5-112 Snow or Icy Conditions ............................................5-112
Winter Precautions ...................................................5-114
Wiper Blades ...................................................................7-35 Blade Inspection .........................................................7-35
Blade Replacement .....................................................7-35
Wipers and washers ......................................................3-115 Windshield Washers .................................................3-116
Windshield Wipers ...................................................3-115
Index
W