2017 Hyundai Sonata Plug-in Hybrid engine

5-35
Driving your vehicle
5
ESC operation
ESC ON condition
When the Engine Start/Stop button
is in the ON position, the ESC and
the ESC OFF indicator lights illumi-
nate for approximately three seconds
and goes off, then the ESC is turned
on.
When operating
When the Engine Start/Stopbutton is in the ON position,
the ESC and the ESC OFF
indicator lights illuminate for
approximately three sec-
onds. After both lights go
off, the ESC is enabled.
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.
engine may not respond to the
accelerator as it does under routine
conditions.
when the ESC activates, the Cruise
Control automatically disengages.
The Cruise Control can be reen-
gaged when the road conditions
allow. See "Cruise Control System"
later in this chapter.
driving on a slippery road, the
engine rpm (revolutions per minute)
may not increase even if you press
the accelerator pedal deeply. This is
to maintain the stability and traction
of the vehicle and does not indicate
a problem.

5-36
Driving your vehicle
ESC OFF condition
To cancel ESC operation :

Press the ESC OFF button briefly.
The ESC OFF indicator light and
message will illuminate. In this state,
the traction control function of ESC
(engine management) is disabled,
but the brake control function of ESC
(braking management) still operates.
Press the ESC OFF button continu-
ously for more than 3 seconds. The
ESC OFF indicator light and mes-
sage illuminates and a warning
chime sounds. In this state, both the
traction control function of ESC
(engine management) and the brake
control function of ESC (braking
management) are disabled.
If the Engine Start/Stop button is
placed to the OFF position when
ESC is off, ESC remains off. Upon
restarting the engine, the ESC will
automatically turn on again.
Indicator lights
When the Engine Start/Stop button
is pressed to the ON position, the
ESC indicator light illuminates, then
goes off if the ESC system is operat-
ing 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 the vehicle
checked by an authorized HYUNDAI
dealer as soon as possible.
OLF054101N
OLF054100N
■
ESC indicator light (blinks)
■ ESC OFF indicator light (comes on)

5-37
Driving your vehicle
5
The ESC OFF indicator light comes
on when the ESC is turned off with
the button.
Driving with wheels and tires with
different sizes may cause the ESC
system to malfunction. Before
replacing tires, make sure all four
tires and wheels are the same
size. Never drive the vehicle with
different sized tires and wheels
installed.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.To prevent damage to the trans-
mission:
Do not allow wheel(s) of one
axle to spin excessively while
the ESC, ABS, and parking brake
warning ( , red color) 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, make sure the
ESC is turned off (ESC OFF light
illuminated).
Information
Turning the ESC off does not affect
ABS or standard brake system opera-
tion.
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NOTICE
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

5-40
Driving your vehicle
Good braking practices Wet brakes can be dangerous! The
brakes may get wet if the vehicle is
driven through standing water or if it
is washed. Your vehicle will not stop
as quickly if the brakes are wet. Wet
brakes may cause the vehicle to pull
to one side.
To dry the brakes, apply the brakes
lightly until the braking action returns
to normal, taking care to keep the
vehicle under control at all times. If
the braking action does not return to
normal, stop as soon as it is safe to
do so and call an authorized
HYUNDAI dealer for assistance.
DO NOT drive with your foot resting
on the brake pedal. Even light, but
constant pedal pressure can result in
the brakes overheating, brake wear,
and possibly even brake failure.If a tire goes flat while you are driv-
ing, apply the brakes gently and
keep the vehicle pointed straight
ahead while you slow down. When
you are moving slowly enough for it
to be safe to do so, pull off the road
and stop in a safe location.
Keep your foot firmly on the brake
pedal when the vehicle is stopped to
prevent the vehicle from rolling for-
ward.
Whenever leaving the vehicle or
parking, always come to a com-
plete stop and continue to
depress the brake pedal. Move
the shift lever into the P (Park)
position, then apply the parking
brake, and place the Engine
Start/Stop button in the OFF
position.
Vehicles parked with the park-
ing brake not applied or not
fully engaged may roll inadver-
tently and may cause injury to
the driver and others. ALWAYS
apply the parking brake before
exiting the vehicle.
WARNING

5-41
Driving your vehicle
5
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Hybrid vehicle
The drive mode may be selected
according to the driver’s preference
or road condition.
The system resets to be in the ECO
mode, when the hybrid system is
restarted.
Information
If there is a problem with the instru-
ment cluster, the drive mode will be in
ECO mode and may not change to
NORMAL mode or SPORT mode. The mode changes, as below,
whenever the DRIVE MODE button
is pressed.
When NORMAL mode is selected,
it is not displayed on the instrument
cluster.
ECO mode (Active ECO)
When the Drive Mode is
set to ECO mode, the
engine and transmission
control logic are changed
to maximize fuel efficiency
When the ECO mode is selected by
pressing the DRIVE MODE button,
the ECO indicator (green color) will
illuminate.
Information
The ECO mode will provide best effi-
ciency for customer driving habits
that are not aggressive in accelerating
and in conditions not involving many
rolling hills to drive through. Under
situation of aggressive driving style or
driving conditions involving rolling
hills causing frequent gear shifts you
should try NORMAL mode instead as
it may actually yield your best econo-
my and drivability. Compare between
the 2 modes.
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i
NORMAL
ECO SPORT
OLF054021N

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Driving your vehicle
When ECO mode is activated:
The acceleration response may be slightly reduced as the accelerator
pedal is depressed moderately.
The air conditioner performance may be limited.
The shift pattern of the automatic transmission may change.
The engine noise may get louder.
The above situations are normal
conditions when ECO mode is acti-
vated to improve fuel efficiency.
SPORT mode
SPORT mode manages
the driving dynamics by
automatically adjusting
the steering wheel and
hybrid system for enhanced driver
performance.
When SPORT mode is selected by pressing the DRIVE MODE button,
the SPORT indicator (yellow color)
will illuminate.
Whenever the hybrid system is restarted, the Drive Mode will
revert back to ECO mode. If
SPORT mode is desired, re-select
SPORT mode from the DRIVE
MODE button.
Information
In SPORT mode, the fuel efficiency
may decrease.
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5-43
Driving your vehicle
Plug-in hybrid vehicle
The drive mode may be selected
according to the driver’s preference
or road condition.
The system resets to be in the ECO
mode, when the hybrid system is
restarted.
Information
If there is a problem with the instru-
ment cluster, the drive mode will be in
ECO mode and may not change to
NORMAL mode. The mode changes, as below,
whenever the DRIVE MODE button
is pressed.
When NORMAL mode is selected,
it is not displayed on the instrument
cluster.
ECO mode
When the Drive Mode is
set to ECO mode, the
engine and transmission
control logic are changed
to maximize fuel efficiency.
When the ECO mode is selected by
pressing the DRIVE MODE button,
the ECO indicator (green color) will
illuminate.
Information
The ECO mode will provide best effi-
ciency for customer driving habits
that are not aggressive in accelerating
and in conditions not involving many
rolling hills. Under aggressive driving
style or driving conditions involving
rolling hills, it is advised to use NOR-
MAL mode for better fuel economy
and drivability. Compare between the
2 modes.
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5
OLFP055021N
NORMAL
ECO

5-44
When ECO mode is activated:
The acceleration response may beslightly reduced as the accelerator
pedal is depressed moderately.
The air conditioner performance may be limited.
The shift pattern of the automatic transmission may change.
The engine noise may get louder.
The above situations are normal
conditions when ECO mode is acti-
vated to improve fuel efficiency.
Driving your vehicle