2018 Hyundai Sonata start stop button

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1-5
Your vehicle at a glance
1
The actual shape may differ from the illustration. 1. Light control/Turn signals ..............3-102
2. Steering wheel audio controls*/
Bluetooth®wireless technology
hands-free controls* ..........................4-3
3. Instrument cluster ..........................3-63
4. Driver's front air bag ......................2-47
5. Horn ................................................3-24
6. Cruise controls* ..............................5-54
7. Wiper/Washer................................3-115
8. Engine Start/Stop button/ Key ignition switch ............................5-6
9. Audio system/Navigation system ......4-4
10. Climate control system ....3-122, 3-132
11. Passenger's front air bag ..............2-47
12. Glove box ....................................3-148
13. Drive mode integrated control system ..........................................5-48
14. Rear parking assist system* ......3-118
15. EPB (Electronic Parking Brake)* ..5-31
16. AUTO HOLD ................................5-37
17. Power outlet ................................3-154
18. Wireless cellular phone charging system ........................................3-150
19. AUX, USB and iPod
®port ..............4-2
20. Automatic transmission/
Dual clutch
transmission shifter ..................5-14, 5-18
* : if equippedOLF017010N

2-51
Safety system of your vehicle
2
How Does the Air Bag System
Operate?
The SRS consists of the following
components:
1. Driver's front air bag module
2. Passenger's front air bag module
3. Side air bag modules
4. Curtain air bag modules
5. Retractor pre-tensioner assem-blies
6. Air bag warning light
7. SRS control module (SRSCM)/ Rollover sensor
8. Front impact sensors 9. Side impact sensors
10. Side pressure sensors
11. Driver's knee air bag module
12. Front passenger's seat belt
buckle sensors
13. Anchor pre-tensioner
14. Occupant classification system
The SRSCM continually monitors all
SRS components while the Engine
Start/Stop button is in the ON posi-
tion to determine if a crash impact is
severe enough to require air bag
deployment or pre-tensioner seat
belt deployment.
SRS warning light
The SRS (Supplement Restraint
System) air bag warning light on the
instrument panel displays the air bag
symbol depicted in the illustration.
The system checks the air bag elec-
trical system for malfunctions. The
light indicates that there is a potential
malfunction with your air bag system,
which could include your side and
curtain air bags used for rollover pro-
tection.
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Safety system of your vehicle
2
Additional Safety Precautions
Passengers should not move out of
or change seats while the vehicle is
moving.A passenger who is not
wearing a seat belt during a crash or
emergency stop can be thrown
against the inside of the vehicle,
against other occupants, or be ejected
from the vehicle.
Do not use any accessories on seat
belts. Devices claiming to improve
occupant comfort or reposition the
seat belt can reduce the protection
provided by the seat belt and increase
the chance of serious injury in a crash
Do not modify the front seats.
Modification of the front seats could
interfere with the operation of the sup-
plemental restraint system sensing
components or side air bags.
Do not place items under the front
seats. Placing items under the front
seats could interfere with the opera-
tion of the supplemental restraint sys-
tem sensing components and wiring
harnesses.
Do not cause impact to the doors.
Impact to the doors when the Engine
Start/Stop button is in the ON position
may cause the air bags to inflate. Modifications to accommodate
disabilities.
If you require modifica-
tion to your vehicle to accommodate
a disability, contact the HYUNDAI
Customer Connect Center at 1-877-
378-8727.
Adding equipment to or modify- ing your air bag equipped vehi-cle
If you modify your vehicle by chang-
ing your vehicle's frame, bumper sys-
tem, front end or side sheet metal or
ride height, this may affect the oper-
ation of your vehicle's air bag sys-
tem.
(Continued)
If components of the air bag
system must be discarded, or if
the vehicle must be scrapped,
certain safety precautions
must be observed. Consult an
authorized HYUNDAI dealer for
the necessary information.
Failure to follow these precau-
tions could increase the risk of
personal injury.

3-8
Convenient features of your vehicle
Smart Key (if equipped)
Your HYUNDAI uses a Smart Key,
which you can use to lock or unlock
a door (and trunk) and even start the
engine.
1. Door Lock
2. Door Unlock
3. Trunk Open
4. Panic
Locking
To lock :
1. Close all doors, engine hood andtrunk.
2. Either press the door handle but- ton or press the Door Lock button
(1) on the smart key.
3. The hazard warning lights will blink and the chime will sound
once.
4. Make sure the doors are locked by checking the position of the door
lock button inside the vehicle.
Information
The door handle button will only
operate when the smart key is within
28~40 inches (0.7~1 m) from the out-
side door handle.
Even though you press the outside
door handle button, the doors will not
lock and the chime will sound for
three seconds if any of the following
occur:
The Smart Key is in the vehicle.
The Engine Start/Stop button is inACC or ON position.
Any door except the trunk is open.
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Do not leave the Smart Key in
your vehicle with unsupervised
children. Unattended children
could press the Engine Start/
Stop button and may operate
power windows or other con-
trols, or even make the vehicle
move, which could result in
serious injury or death.
WARNING

3-10
Convenient features of your vehicle
Panic button
Press the Panic button (4) and hold
for more than one second. The horn
sounds and hazard warning lights
blink for about 30 seconds. To cancel
the panic mode, press any button on
the Smart Key.
Start-up
You can start the engine without
inserting the key.
For more information, refer to the
"Engine Start/Stop Button" sec-
tion in chapter 5.To prevent damaging the smart
key:
Keep the smart key away from
water or any liquid and fire. If the
inside of the smart key gets
damp (due to drinks or mois-
ture), or is heated, internal cir-
cuit may malfunction, excluding
the car from the warranty.
Avoid dropping or throwing the smart key.
Protect the smart key from extreme temperatures.
Always have the smart key with
you when leaving the vehicle. If
the smart key is left near the vehi-
cle, the vehicle battery may be dis-
charged.
Mechanical key
If the Smart Key does not operate
normally, you can lock or unlock the
door by using the mechanical key.
Press and hold the release button (1)
and remove the mechanical key (2).
Insert the mechanical key into the
key hole on the door.
To reinstall the mechanical key, put
the key into the hole and push it until
a click sound is heard.
NOTICE
NOTICE
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3-67
Convenient features of your vehicle
3
Do not operate the engine within
the tachometer's RED ZONE. This
may cause severe engine damage.
Engine Coolant TemperatureGauge
This gauge indicates the tempera-
ture of the engine coolant when the
ignition switch or Engine Start/Stop
button is ON. If the gauge pointer moves
beyond the normal range area
toward the "H" position, it indi-
cates overheating that may dam-
age the engine.
Do not continue driving with an
overheated engine. If your vehicle
overheats, refer to "If the Engine
Overheats" in chapter 6.
NOTICENOTICE
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OLF047506
■
Type A, B
■ Type C, D
Never remove the radiator cap
when the engine is hot. The
engine coolant is under pres-
sure and could severely burn.
Wait until the engine is cool
before adding coolant to the
reservoir.
WARNING

3-80
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

3-81
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