brake Hyundai Sonata 2018 User Guide

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Warning messages
(if equipped)
Shift to P(for smart key system and auto-matic transaxle)
This warning message illuminates
if you try to turn off the engine with-
out the shift lever in P (Park) posi-
tion.
At this time, the Engine Start/Stop button turns to the ACC position (If
you press the Engine Start/Stop
button once more, it will turn to the
ON position).
Low Key Battery (for smart key system)
This warning message illuminates
if the battery of the smart key is
discharged when the Engine
Start/Stop button changes to the
OFF position.
Press START button while turning wheel (for smart key system)
This warning message illuminates
if the steering wheel does not
unlock normally when the Engine
Start/Stop button is pressed.
It means that you should press the Engine Start/Stop button while
turning the steering wheel right
and left.
Steering wheel not locked (for smart key system)
This warning message illuminates
if the steering wheel does not lock
when the Engine Start/Stop button
changes to the OFF position.
Check steering wheel lock system (for smart key system)
This warning message illuminates
if the steering wheel does not lock
normally when the Engine Start/
Stop button changes to the OFF
position.
Press brake pedal to startengine (for smart key systemand automatic transaxle)
This warning message illuminates
if the Engine Start/Stop button
changes to the ACC position twice
by pressing the button repeatedly
without depressing the brake
pedal.
It means that you should depress the brake pedal to start the engine.
Key not in vehicle(for smart key system)
This warning message illuminates
if the smart key is not in the vehicle
when you press the Engine Start/
Stop button.
It means that you always have the smart key with you.
Key not detected (for smart key system)
This warning message illuminates
if the smart key is not detected
when you press the Engine Start/
Stop button.
Convenient features of your vehicle

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Convenient features of your vehicle
Press START button again (for smart key system)
This warning message illuminates
if you can not operate the Engine
Start/Stop button when there is a
problem with the Engine Start/Stop
button system.
It means that you could start the engine by pressing the Engine
Start/Stop button once more.
If the warning illuminates each time you press the Engine Start/
Stop button, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.
Press START button with key(for smart key system)
This warning message illuminates
if you press the Engine Start/Stop
button while the warning message
"Key not detected" is illuminating.
At this time, the immobilizer indica- tor light blinks.
Check BRAKE SWITCH fuse (for smart key system and auto-matic transaxle)
This warning message illuminates
if the brake switch fuse is discon-
nected.
It means that you should replace the fuse with a new one. 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 or N to start engine(for smart key system and auto-matic transaxle)
This warning message illuminates
if you try to start the engine with
the shift lever not in the P (Park) or
N (Neutral) position.
Information
You can start the engine with the shift
lever in the N (Neutral) position. But,
for your safety, we recommend that
you start the engine with the shift
lever in the P (Park) position.
Door, Hood, Trunk Open
It means that any door, hood, or
trunk is open.
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Before driving the vehicle, you
should confirm that the door/
hood/trunk is fully closed.
Also, check there is no door/
hood/trunk open warning light
or message displayed on the
instrument cluster.
CAUTION

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Convenient features of your vehicle
3
Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds.
- It remains on if the parking brake is applied.
When the parking brake is applied.
When the brake fluid level in the reservoir is low.
- If the warning light illuminateswith the parking brake released, it
indicates the brake fluid level in
reservoir is low.
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
information, refer to "Brake
Fluid" in chapter 7) . Then check all
brake components for fluid leaks. If
any leak on the brake system is still
found, the warning light remains on,
or the brakes do not operate prop-
erly, do not drive the vehicle. In this
case, have your 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 are
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.

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Convenient features of your vehicle
Anti-lock Brake System(ABS) Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds 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 your vehicle
inspected by an authorized
HYUNDAI dealer.
Electronic Brake forceDistribution (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 your vehicle
inspected by an authorized HYUNDAI
dealer.
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 your vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING

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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 your vehicle inspect-
ed by an authorized HYUNDAI dealer.Electric Power Steering (EPS)Warning Light (if equipped)
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It remains on until the engine isstarted.
When there is a malfunction with the EPS.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
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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.
In this case, avoid high speed
driving and abrupt braking.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING

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Convenient features of your vehicle
Low Tire PressureWarning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When one or more of your tires are significantly underinflated (The
location of the underinflated tires
are displayed on the LCD display).
For more information, refer to
"Tire Pressure Monitoring System
(TPMS)" in chapter 6.
This warning light remains on after
blinking for approximately 60 sec-
onds or repeats blinking and off at
the intervals of approximately 3
seconds:
When there is a malfunction with the
TPMS.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
For more information, refer to
"Tire Pressure Monitoring System
(TPMS)" in chapter 6.
Automatic Emergency Braking (AEB) Warninglight (if equipped)
This warning light illuminates :
When the AEB system is turned off.
When the radar or its cover is
stained. Remove the stains with a
soft cloth.
When there is a malfunction with AEB. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Door Ajar WarningLight
This warning light illuminates:
When a door is not closed securely.
Trunk Open WarningLight
This warning light illuminates:
When the trunk lid is not closed
securely.
Safe Stopping
The TPMS cannot alert you to
severe and sudden tire damage
caused by external factors.
If you notice any vehicle insta-
bility, immediately take your
foot off the accelerator pedal,
apply the brakes gradually with
light force, and slowly move to
a safe position off the road.
WARNING

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Convenient features of your vehicle
3
Electronic ParkingBrake (EPB) WarningLight (if equipped)
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the EPB.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Information - Electronic
Parking Brake (EPB) Warning
Light
The Electronic Parking Brake (EPB)
Warning Light may illuminate when
the Electronic Stability control (ESC)
Indicator Light comes on to indicates
that the ESC is not working properly
(This does not indicate malfunction of
the EPB).
Master Warning Light
This indicator light illuminates
When there is a malfunction on the
low washer, Smart cruise control,
and so on.
To identify the details of the warning,
look at the LCD display.
Indicator Lights
Electronic Stability Control (ESC) IndicatorLight
This indicator light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the ESC system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
This indicator light blinks:
While the ESC is operating.
For more information, refer to
"Electronic Stability Control
(ESC)" in chapter 5.
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EPB

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Convenient features of your vehicle
Light ON IndicatorLight
This indicator light illuminates:
When the tail lights or headlights are
on.
Adaptive Front LightingSystem (AFLS) WarningLight (if equipped)
This warning light illuminates:
Once you set the Engine Start/
Stop Button to the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the AFLS.
If there is a malfunction with the
AFLS:
1. Drive carefully to a safe location and stop the vehicle.
2. Turn the engine off and restart the engine. If the indicator light
remains on, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Cruise Indicator Light(if equipped)
This indicator light illuminates:
When the cruise control system is
enabled.
For more information, refer to
"Cruise Control System" in chap-
ter 5.
Cruise SET IndicatorLight (if equipped)
This indicator light illuminates:
When the cruise control speed is set.
For more information, refer to
"Cruise Control System" in chap-
ter 5.
AUTO HOLD IndicatorLight (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, have your vehicle
inspected by an authorized
HYUNDAI dealer.
For more information, refer to
"Auto Hold" in chapter 5.
CRUISE
SET
AUTO
HOLD

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Convenient features of your vehicle
3
AFLS (Adaptive Front LightingSystem) a.k.a. DBL (DynamicBending Light) (if equipped)
Adaptive front lighting system uses
the steering angle and vehicle speed
to help maximize your field of vision
by swiveling and leveling the head-
lamp.
Change the switch to the AUTO posi-
tion when the engine is running. The
adaptive front lighting system will
operate when the headlamps are
ON. To turn off the AFLS, change the
switch to other positions. After turn-
ing the AFLS off, headlamp swiveling
no longer occurs, but the leveling will
operate continuously. If the AFLS malfunction indicator
comes on, the AFLS is not working
properly. Drive to the nearest safe
location and restart the engine. If the
indicator continuously remains on,
we recommend that the system be
checked by an authorized HYUNDAI
dealer.
Daytime running light (DRL)
(if equipped)
The Daytime Running Lights (DRL)
can make it easier for others to see
the front of your vehicle during the
day, especially after dawn and before
sunset.
for U.S.A
The DRL will turn off when:

1. The light switch is not in the AUTO
position.
2. The parking brake is applied.
3. The engine is turned off.

1. The light switch is not in DRL posi- tion.
2. The parking brake is applied.
3. The engine is turned off.
for Canada
The DRL will turn off when:
1. The light switch is in the headlamp position, including the operation
that the headlamp is turned on
automatically in the AUTO light
position.
2. The parking brake is applied.
3. The engine is turned off.
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Convenient features of your vehicle
Non-operational conditions ofParking Assist System
The Rear Parking Assist System
may not operate normally when:
Moisture is frozen to the sensor.
Sensor is covered with foreign mat-
ter, such as snow or water, or the
sensor cover is blocked.
There is a possibility of the Rear
Parking Assist System malfunction
when:
Driving on uneven road surfacessuch as unpaved roads, gravel,
bumps, or gradient.
Objects generating excessive noise such as vehicle horns, loud motor-
cycle engines, or truck air brakes
can interfere with the sensor.
Heavy rain or water spray is present.
Wireless transmitters or mobile phones are present near the sensor.
The sensor is covered with snow.
Any non-factory equipment or accessories have been installed, or
if the vehicle bumper height or sen-
sor installation has been modified.
Detecting range may decrease when:
Outside air temperature isextremely hot or cold.
Undetectable objects smaller than 40 inches (1 m) and narrower than
6 inches (14 cm) in diameter.
The following objects may not be
recognized by the sensor:
Sharp or slim objects such asropes, chains or small poles.
Objects, which tend to absorb sen- sor frequency such as clothes,
spongy material or snow. Sensor may not recognize objects
less than 12 inches (30 cm) from
the sensor, or it may sense an
incorrect distance.
Do not push, scratch or strike the
sensor with any hard objects that
could damage the surface of the
sensor. Sensor damage could
occur.
NOTICE
NOTICE
Your new vehicle warranty does
not cover any accidents or dam-
age to the vehicle or injuries to
its occupants related to a Rear
Parking Assist System. Always
drive safely and cautiously.
WARNING