2017 Hyundai Sonata start stop button

3-106
Convenient features of your vehicle
This indicator light illuminates for
2 seconds and goes off:
When the vehicle can not detect the
smart key which is in the vehicle
while the ignition switch or the
Engine Start/Stop button is ON.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
This indicator light blinks:
When the battery of the smart keyis weak.
- At this time, you can not start theengine. However, you can start the
engine if you press the ignition
switch or the Engine Start/Stop but-
ton with the smart key. (For more
information, refer to "Starting
the Engine" in chapter 5).
When there is a malfunction with the immobilizer system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Turn Signal IndicatorLight
This indicator light blinks:
When you turn the turn signal light
on.
If any of the following occurs, there
may be a malfunction with the turn
signal system. In this case, have your
vehicle inspected by an authorized
HYUNDAI dealer.
- The indicator light does not blinkbut illuminates.
- The indicator light blinks more rapidly.
- The indicator light does not illumi- nate at all.
High Beam IndicatorLight
This indicator light illuminates:
When the headlights are on and in
the high beam position.
When the turn signal lever is pulled into the Flash-to-Pass position.
Smart High Beam indi-cator (if equipped)
This warning light illuminates :
When the high-Beam is on with the
light switch in the AUTO light posi-
tion.
If your vehicle detects oncoming or preceding vehicles, the Smart High
Beam system will switch the high
beam to low beam automatically.
For more information, refer to
"Smart High Beam" in this chapter.

3-107
Convenient features of your vehicle
3
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
AFLS

Driving your vehicle
5
Before Driving ........................................................5-4
Before Entering the Vehicle ...........................................5-4
Before Starting ..................................................................5-4
Ignition Switch ........................................................5-6
Key Ignition Switch ...........................................................5-6
Engine Start/Stop Button................................................5-9
Transmission .........................................................5-14
Automatic Transmission .................................................5-14
Ecoshift Dual Clutch Transmission..............................5-18
Paddle Shifter ..................................................................5-24
Shift-Lock System ..........................................................5-25
Shift-Lock Release .........................................................5-25
Parking ........................................................................\
.......5-26
Good Driving Practices ..................................................5-26
Braking System ....................................................5-28
Power Brakes ...................................................................5-28
Disc Brakes Wear Indicator ..........................................5-29
Foot Parking Brake.........................................................5-29
Electronic Parking Brake (EPB)...................................5-31
AUTO HOLD ......................................................................5-\
37
Anti-lock Brake System (ABS) ....................................5-40
Electronic Stability Control (ESC)................................5-43
Hill-Start Assist Control (HAC) ...................................5-46
Good Braking Practices .................................................5-47
Drive Mode Integrated Control System ............5-48
Cruise Control .......................................................5-50
Cruise Control Operation...............................................5-50
Smart Cruise Control system..............................5-54
To Adjust the Sensitivity of Smart Cruise Control ....5-55
To Convert to Cruise Control Mode............................5-55
Smart Cruise Control Speed .........................................5-56
Smart Cruise Control Vehicle-to-Vehicle Distance...5-60
Radar to Detect Distance to the Vehicle Ahead .....5-63
Limitations of the System .............................................5-64
Lane Departure Warning System (LDWS) ........5-69
LDWS Operation ..............................................................5-70
Warning Light and Message.........................................5-71
Blind Spot Detection System (BSD) ..................5-73
BSD (Blind Spot Detection) /
LCA (Lane Change Assist) .............................................5-74
RCTA (Rear Cross Traffic Alert) ..................................5-77
Automatic emergency braking (AEB) ...............5-81
System setting and activation......................................5-81
AEB warning message and system control ..............5-83
Sensor to detect the distance from the vehicle
in front (front radar) .....................................................5-86
System malfunction ........................................................5-87
Limitation of the system ...............................................5-89

5-9
Driving your vehicle
5
Engine Start/Stop Button
Whenever the front door is opened,
the Engine Start/Stop button will illu-
minate and will go off 30 seconds
after the door is closed.
NEVER press the Engine
Start/Stop button while the
vehicle is in motion except in
an emergency. This will result
in the engine turning off and
loss of power assist for the
steering and brake systems.(Continued)
WARNING
To turn the engine off in an
emergency:
Press and hold the Engine
Start/Stop button for more than
two seconds OR Rapidly press
and release the Engine
Start/Stop button three times
(within three seconds).
If the vehicle is still moving, you
can restart the engine without
depressing the brake pedal by
pressing the Engine Start/Stop
button with the shift lever in the
N (Neutral) position.
(Continued)This may lead to loss of direc-
tional control and braking
function, which could cause
an accident.
Before leaving the driver’s
seat, always make sure the
shift lever is in the P (Park)
position, set the parking
brake, press the Engine
Start/Stop button to the OFF
position, and take the Smart
Key with you. Unexpected
vehicle movement may occur
if these precautions are not
followed.
NEVER reach through the
steering wheel for the Engine
Start/Stop button or any other
control while the vehicle is in
motion. The presence of your
hand or arm in this area may
cause a loss of vehicle control
resulting in an accident.
WARNING
To reduce risk of serious injury
or death, NEVER allow children
or any person who is unfamiliar
with the vehicle to touch the
Engine Start/Stop button or
related parts. Unexpected and
sudden vehicle movement can
occur.
WARNING
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5-10
Driving your vehicle
Engine Stop/Start button positions
Button PositionAction Notice
OFF
To turn off the engine, press the Engine
Start/Stop button with shift lever in P (Park).
When you press the Engine Start/Stop but-
ton without the shift lever in P (Park), the
Engine Start/Stop button does not turn to the
OFF position, but turns to the ACC position.
ACC Press the Engine Start/Stop button when the
button is in the OFF position without depress-
ing the brake pedal.
Electrical accessories are usable. If you leave the Engine Start/Stop button in the
ACC position for more than one hour, the bat-
tery power will turn off automatically to prevent
the battery from discharging.

5-11
Driving your vehicle
5
Button PositionAction Notice
ON
Press the Engine Start/Stop button while it is
in the ACC position without depressing the
brake pedal.
The warning lights can be checked before
the engine is started. Do not leave the Engine Start/Stop button in
the ON position when the engine is not run-
ning to prevent the battery from discharging.
START
To start the engine, depress the brake pedal
and press the Engine Start/Stop button with
the shift lever in the P (Park) or in the N
(Neutral) position.
For your safety, start the engine with the shift
lever in the P (Park) position. If you press the Engine Start/Stop button with-
out depressing the brake pedal, the engine
does not start and the Engine Start/Stop but-
ton changes as follows:
OFF
→ →
ACC →
→
ON →
→
OFF
However, the engine may start if you depress
the brake pedal within 0.5 second after press-
ing the Engine Start/Stop button when it is in
the OFF position.

5-12
Driving your vehicle
Always wear appropriate shoes
when operating your vehicle.
Unsuitable shoes, such as
high heels, ski boots, sandals,
flip-flops, etc., may interfere
with your ability to use the
brake and accelerator pedals.
Do not start the vehicle with the
accelerator pedal depressed.
The vehicle can move and lead
to an accident.
Wait until the engine rpm is
normal. The vehicle may sud-
denly move if the brake pedal
is released when the rpm is
high.
WARNING
Starting the engine Information
• The engine will start by pressing theEngine Start/Stop button, only when
the smart key is in the vehicle.
• Even if the smart key is in the vehi- cle, if it is far away from the driver,
the engine may not start.
• When the Engine Start/Stop button is in the ACC or ON position, if any
door is open, the system checks for
the smart key. If the smart key is not
in the vehicle, the warning, "Key
not in vehicle" will come on and if
all doors are closed, the chime will
also sound for about 5 seconds. The
indicator will turn off while the
vehicle is moving. Keep the smart
key in the vehicle when using the
ACC position or if the vehicle
engine is ON. 1. Always carry the smart key with
you.
2. Make sure the parking brake is applied.
3. Make sure the shift lever is in P (Park).
4. Depress the brake pedal.
5. Press the Engine Start/Stop but- ton.
Information
• Do not wait for the engine to warmup while the vehicle remains station-
ary. Start driving at moderate
engine speeds. (Steep accelerating
and decelerating should be avoided.)
• Always start the vehicle with your foot on the brake pedal. Do not
depress the accelerator while start-
ing the vehicle. Do not race the
engine while warming it up.
i
i

5-13
Driving your vehicle
5
To prevent damage to the vehicle:
If the engine stalls while you arein motion, do not attempt to
move the shift lever to the P
(Park) position.
If traffic and road conditions
permit, you may put the shift
lever in the N (Neutral) position
while the vehicle is still moving
and press the Engine Start/Stop
button in an attempt to restart
the engine.
Do not push or tow your vehicle to start the engine. To prevent damage to the vehicle:
When the stop lamp fuse is blown,
you can’t start the engine normal-
ly. Replace the fuse with a new
one. If you are not able to replace
the fuse, you can start the engine
by pressing and holding the
Engine Start/Stop button for 10 sec-
onds with the Engine Start/Stop
button in the ACC position.
Do not press the Engine Start/Stop
button for more than 10 seconds
except when the stop
lamp fuse is
blown.
For your safety always depress
the brake pedal before starting the
engine.
Information
If the smart key battery is weak or the
smart key does not work correctly,
you can start the engine by pressing
the Engine Start/Stop button with the
smart key in the direction of the pic-
ture above.
i
NOTICENOTICE
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