2016 Hyundai Sonata engine

5-2
Driving your vehicle
Carbon monoxide (CO) gas is toxic. Breathing CO can cause unconsciousness and death.
Engine exhaust contains carbon monoxide which cannot be seen or smelled.
Do not inhale engine exhaust.
If at any time you smell engine exhaust inside the vehicle, open the windows immediately. Exposure to CO can cause
unconsciousness and death by asphyxiation.
Ensure the exhaust system does not leak.
The exhaust system should be checked whenever the vehicle is raised to change the oil or for any other purpose. If
you hear a change in the sound of the exhaust or if you drive over something that strikes the underneath side of the
vehicle, we recommend that the exhaust system be checked as soon as possible by an authorised HYUNDAI dealer.
Do not run the engine in an enclosed area.
Letting the engine idle in your garage, even with the garage door open, is a hazardous practice. Run the engine only
long enough to start the engine and to move the vehicle out of the garage.
Avoid idling the engine for prolonged periods with people inside the vehicle.
If it is necessary to idle the engine for a prolonged period with people inside the vehicle, be sure to do so only in an
open area with the air intake set at "Fresh" and fan control set to high so fresh air is drawn into the interior.
Keep the air intakes clear.
To ensure proper operation of the ventilation system, keep the ventilation air intakes located in front of the windscreen
clear of snow, ice, leaves, or other obstructions.
If you must drive with the boot open:
Close all windows.
Open instrument panel air vents.
Set the air intake control at "Fresh", the air flow control at "Floor" or "Face", and the fan control set to high.
WARNING

5-5
Driving your vehicle
5
Key ignition switch
Whenever the front door is opened,
the ignition switch will illuminate, pro-
vided the ignition switch is not in the
ON position. The light will go off
immediately when the ignition switch
is turned on or go off after about 30
seconds when the door is closed. (if
equipped)
OLF054001L
OLF054238L
•NEVER turn the ignition
switch to the LOCK or ACC
position whilst the vehicle is
in motion except in an emer-
gency. This will result in the
engine turning off and loss of
power assist for the steering
and brake systems. This may
lead to loss of directional con-
trol and braking function,
which could cause an acci-
dent.
(Continued)
WARNING
(Continued)
•Before leaving the driver’s
seat, always make sure the
shift lever is in 1st gear (for
manual transaxle vehicle) or P
(Park, for automatic transaxle
vehicle) position, apply the
parking brake, and turn igni-
tion switch to the LOCK posi-
tion.
Unexpected vehicle move-
ment may occur if these pre-
cautions are not followed.

5-6
Driving your vehicle
Key ignition switch positions
Switch
PositionActionNotes
LOCK
To turn the ignition switch to the LOCK position, push the key in
slightly at the ACC position and turn the key towards the LOCK
position.
The ignition key can be removed in the LOCK position.The steering wheel locks to protect the vehi-
cle from theft. (if equipped)
ACC
Electrical accessories are usable.The steering wheel unlocks.
If difficulty is experienced turning the ignition
switch to the ACC position, turn the key
whilst turning the steering wheel right and
left to release tension.
ON
This is the normal key position when the engine has started.
All features and accessories are usable.
The warning lights can be checked when you turn the ignition
switch from ACC to ON.Do not leave the ignition switch in the ON
position when the engine is not running to
prevent the battery from discharging.
STARTTo start the engine, turn the ignition switch to the START position.
The switch returns to the ON position when you let go of the key.The engine will crank until you release the
key.

5-7
Driving your vehicle
5
Starting the engine Starting the petrol engine
Vehicle with automatic transaxle:
1. Make sure the parking brake is
applied.
2. Make sure the shift lever is in P
(Park).
3. Depress the brake pedal.
4. Turn the ignition switch to the
START position. Hold the key
(maximum of 10 seconds) until the
engine starts and release it.
Information
• Do not wait for the engine to warm
up whilst the vehicle remains sta-
tionary.
Start driving at moderate engine
speeds. (Rapid accelerating and
decelerating should be avoided.)
• Always start the vehicle with your
foot on the brake pedal. Do not
depress the accelerator whilst start-
ing the vehicle. Do not race the
engine whilst warming it up.To prevent damage to the vehicle:
• Do not hold the ignition key in
the START position for more
than 10 seconds. Wait 5 to 10
seconds before trying again.
• Do not turn the ignition switch to
the START position with the
engine running. It may damage
the starter.
• If traffic and road conditions
permit, you may put the shift
lever in the N (Neutral) position
whilst the vehicle is still moving
and turn the ignition switch to
the START position in an
attempt to restart the engine.
• Do not push or tow your vehicle
to start the engine.
NOTICE
i
•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, accelerator and
clutch 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

5-8
Driving your vehicle
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.
OLF054007R
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.
WARNING
•NEVER press the Engine
Start/Stop button whilst 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.
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.
WARNING

5-9
Driving your vehicle
5
Engine Start/Stop button positions
- Vehicle with automatic transaxle
Button Position Action Notice
OFF
To turn off the engine, press the Engine
Start/Stop button with the 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.
The steering wheel locks to protect the vehi-
cle from theft.If the steering wheel is not locked properly
when you open the driver's door, the warning
chime will sound.
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.
The steering wheel unlocks.• If you leave the Engine Start/Stop button in
the ACC position for more than 1 hour, the
battery power will turn off automatically to
prevent the battery from discharging.
• If the steering wheel doesn't unlock properly,
the Engine Start/Stop button will not work.
Press the Engine Start/Stop button whilst
turning the steering wheel right and left to
release tension.

5-10
Driving your vehicle
- Vehicle with automatic transaxle
Button Position Action Notice
ON
Press the Engine Start/Stop button whilst 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
without depressing the brake pedal, the
engine does not start and the Engine
Start/Stop button changes as follows:
OFF
→ACC →ON →OFF or ACC

5-11
Driving your vehicle
5
Starting the engine Information
• The engine will start by pressing the
Engine 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 " " indicator
will blink and 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 indi-
cator will turn off whilst the vehicle
is moving. Keep the smart key in the
vehicle when using the ACC position
or if the vehicle engine is ON.
i
•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, accelerator and
clutch 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 People with medical devices
such as implanted pacemakers
or cardiac defibrillators should
not carry the smart key near the
heart. The smart key system
may affect the operation of such
implanted medical devices.
Failure to do so may result in
interference with the medical
device, which could result in
serious injury.
WARNING