2015 Hyundai Sonata Hybrid engine

459
Features of your vehicle
If the battery in the Smart Key remoteis weak, the engine may not start when
you push the start/stop button (and the
indicator will flash). Place the smart
key into the smart key holder in the
center console. If the vehicle now
starts nor mally, replace the battery
inside the smart key fob. If the indicator
still flashes, the system may need
repair. Contact an authorized HYUNDAI
dealer for assistance.Low fuel level warning light
This warning light indicates the fuel tank
is nearly empty. When it comes on, you
should add fuel as soon as possible.
Driving with the fuel level warning light on
or with the fuel level below “E” can cause
the engine to misfire and damage the
catalytic converter.
Engine coolant temperature warning light(if equipped)
The warning light illuminates if the tem-
perature of the engine coolant is above
257±4.5°F (125±2.5°C).
Do not continue driving with an overheat-
ed engine. If your vehicle overheats, refer
to “Overheating” in Chapter 6.
Malfunction indicator light(MIL) (check engine light)
This indicator light is part of the Engine
Control System which monitors various
emission control system components. If
this light illuminates while driving, it indi-
cates that a potential malfunction has
been detected somewhere in the emis-
sion control system.
This light will also illuminate when the
engine start/stop button is in the ON
position, and will go out in a few seconds
after the engine is started. If it illuminates
while driving, or does not illuminate when
the engine start/stop button is in the ON
position, take your vehicle to your near-
est authorized HYUNDAI dealer and
have the system checked.
Generally, your vehicle will continue to be
drivable, but have the system checked by
an authorized HYUNDAI dealer promptly.

Features of your vehicle
60
4
ESC indicator (Electronic
Stability Control)
The ESC indicator will illuminate when
the engine start/stop button is pressed to
ON, but should go off after approximate-
ly 3 seconds. When the ESC is on, it
monitors the driving conditions under
normal driving conditions, the ESC light
will remain off. When a slippery or low
traction condition is encountered, the
ESC will operate, and the ESC indicator
will blink to indicate the ESC is operating.
The ESC indicator stays on when the
ESC may have a malfunction. Take your
car to an authorized HYUNDAI dealer
and have the system checked.
ESC OFF indicator
The ESC OFF indicator will illuminate
when the engine start/stop button is
pressed to ON, but should go off after
approximately 3 seconds. To switch to
ESC OFF mode, press the ESC OFF
button. The ESC OFF indicator will illumi-
nate indicating the ESC is deactivated.
If this indicator stays on when ESC OFF
is not selected, the ESC may have mal-
functioned. Take your vehicle to an
authorized HYUNDAI dealer and have
the system checked.
CAUTION
Prolonged driving with the Malfunction Indicator Light illumi-nated may cause damage to theemission control systems whichcould effect drivability and/or fuel economy.

If the Malfunction Indicator Light illuminates, potential catalyticconverter damage is possible.This could result in loss of enginepower. Have the Engine ControlSystem inspected as soon as pos-sible by an authorized HYUNDAIdealer.

461
Features of your vehicle
Cruise indicator (if equipped)
CRUISE indicator
The indicator light illuminates when the
cruise control system is enabled.
The cruise indicator light in the instru-
ment cluster is illuminated when the
cruise control ON-OFF button on the
steering wheel is pushed.
The indicator light turns off when the
cruise control ON-OFF button is pushed
again. For more information about the
use of cruise control, refer to “Cruise
control system or Smart cruise control
system” in section 5.Cruise SET indicator
The indicator light illuminates when the
cruise function switch (SET- or RES+) is
ON.
The cruise SET indicator light in the
instrument cluster is illuminated when
the cruise control switch (SET- or RES+)
is pushed. The cruise SET indicator light
does not illuminate when the cruise con-
trol switch (CANCEL) is pushed or the
system is disengaged.
Electric power steering
(EPS) system warning light
This indicator light comes on after the
engine start/stop button is turned to the
ON position and then it will go out.
This light also comes on when the EPS
needs repairs. If it comes on while driv-
ing, have your vehicle inspected by an
authorized HYUNDAI dealer.
SETEPS
CRUISE

Features of your vehicle
62
4
Key reminder warning chime
(if equipped)
If the driver’s door is opened while the
smart key is in the vehicle with the
engine start/stop button in ACC or the
smart key is in the smart key holder with
the engine start/stop button in OFF, the
key reminder warning chime will sound.
The chime sounds until the smart key is
removed from the smart key holder or the
driver’s door is closed.
Warning on the LCD screen
(if equipped)
Key is not in vehicle
If the smart key is not in the vehicle and
if any door is opened or closed with the
engine start/stop button in ACC, ON, or
START, the warning illuminates on the
LCD screen. The chime also sounds for 5
seconds when the smart key is not in the
vehicle and any door is closed.
Key is not detected
If the smart key is not in the vehicle or is
not detected and you push the engine
start/stop button, the warning illuminates
on the LCD screen for 10 seconds.
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463
Features of your vehicle
Low key battery
When the smart key in the vehicle dis-
charges, the warning illuminates on the
LCD screen for 10 seconds.
Replace the battery with a new one. If it
is not possible, you can start the engine
by inserting the smart key into the smart
key holder and pushing the engine
start/stop button.
Press brake pedal to start engine
If the engine start/stop button turns to the
ACC position twice by pushing the
engine start/stop button repeatedly with-
out pressing the brake pedal, the warn-
ing illuminates on the LCD screen for 10
seconds to indicate that you should
press the brake pedal to start the engine.
Shift to "P"
If you push the engine start/stop button
with the engine start/stop button ON and
the shift lever not in P(Park), the warning
illuminates on the LCD screen for 10 sec-
onds to indicate that you should press
the engine start/stop button with the shift
lever in P(Park) to turn off the engine.
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Features of your vehicle
64
4
Remove key
When you turn off the engine with the
smart key in the smart key holder, the
warning illuminates on the LCD screen
for 10 seconds.
Push the smart key inward and pull it out
from the smart key holder.
Insert key
If you push the engine start/stop button
while the "Key is not detected" illuminates
on the LCD screen, the “Insert Key” warn-
ing illuminates for 10 seconds.
Press start button again
If there is a problem with the engine
start/stop button system, the warning illu-
minates for 10 seconds to indicate that
you could start the engine by pressing
the engine start/stop button while press-
ing the brake pedal.
If the warning illuminates each time you
push the engine start/stop button, take
your vehicle to an authorized HYUNDAI
dealer and have the system checked.
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465
Features of your vehicle
Shift to "P" to start engine
If you try to start the engine with the shift
lever not in P(Park), the warning illumi-
nates for 10 seconds on the LCD screen.
Low tire pressure
When one or more of your tires is signifi-
cantly under-inflated, the warning light
comes on.
The low tire pressure telltale will illumi-
nate after it blinks for approximately one
minute when there is a problem with the
Tire Pressure Monitoring System.
If this occurs, have the system checked
by an authorized HYUNDAI dealer as
soon as possible.
For details, refer to the TPMS on chapter 6.
Low washer fluid
This warning light indicates the washer
fluid reservoir is near empty. Refill the
washer fluid as soon as possible.
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Features of your vehicle
66
4
Check brake
If the 'Check brake' is displayed this indi-
cates there may be a malfunction with
the brake system or with the regenerative
brake system. Refer to page 4-56 for the
related information. Have the system
checked by an authorized HYUNDAI
dealer as soon as possible.
Check charging system
This warning will illuminate along with an
indicator light and warning chime if there
is a malfunction with the LDC (Low volt-
age DC inverter) system.
✽ ✽
NOTICE
The 'Check Charging system' warning
may occur when the battery voltage
level is too low. However, once the bat-
tery is charged by the engine, the warn-
ing may turn off.
Check active air flap system
This warning will be illuminated as fol-
lows:
- If an actuator flap malfunction is detected
- If an actuator air flap controller mal-
function is detected
- If the air flap does not open when required.
When all the conditions causing the warn-
ing to be illuminated have been cleared,
the warning will turn off.
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WARNING
Driving with the 'check brake' on is
dangerous. Have the system
checked by an authorized HYUNDAI
dealer as soon as possible.