eco button Hyundai Sonata 2012 Owner's Guide

Features of your vehicle56
4Average speed (MPH or km/h)
This mode calculates the average speed
of the vehicle since the last average
speed reset.
Even if the vehicle is not in motion, the
average speed keeps changing while the
engine is running.
Pressing the RESET button for more
than 1 second, when the average speed
is being displayed, clears the average
speed to zero (---). Elapsed time
This mode indicates the total time trav-
eled since the last driving time reset.
Even if the vehicle is not in motion, the
driving time keeps increasing while the
engine is running.
The meter’s working range is from
00:00~99:59.
Pressing the RESET button for more
than 1 second, when the driving time is
being displayed, clears the driving time to
zero (00:00).ECO ON/OFF mode (if equipped)
You can turn the ECO indicator on/off on
the instrument cluster in this mode.
If you push the RESET button for more
than 1 second in the ECO ON mode,
ECO OFF is displayed in the screen and
the ECO indicator turns off.
If you want to display the ECO indicator
again, press the RESET button for more
than 1 second in the ECO OFF mode
and then ECO ON mode is displayed in
the screen.
OYF049056A
OYF049057N
OYF049058N

Features of your vehicle58
4Two-press unlockDriver Door 1st Press - The driver's
door will unlock when pressing the
unlock button on the transmitter or smart
key, pressing the button of the driver's
outside door handle with the smart key,
or inserting the key into the key hole of
the driver's outside door and turning the
key toward the rear of the vehicle. All
doors will unlock when pressing the
unlock button on the transmitter or smart
key, pressing the button of the driver's
outside door handle with the smart key,
or inserting the key into the key hole of
the driver's outside door and turning the
key toward the rear of the vehicle within
4 seconds.
All Doors 1st Press - All doors will
unlock when pressing the unlock button
on the transmitter or smart key, pressing
the button of the driver's outside door
handle with the smart key, or inserting
the key into the key hole of the driver's
outside door and turning the key toward
the rear of the vehicle.
Headlamp delayOn - If you turn the ignition switch to the
ACC or OFF position with the head-
lamp ON, the headlamps remain on
for about 20 minutes. Also, the
headlamp welcome operation will
be activated. Refer to the [LIGHT-
ING] section in this chapter.
Off - The headlamp delay and headlamp
welcome operation will be can-
celed.Horn feedback (if equipped)On - After locking the door by pressing
the lock button on the transmitter, if
you press the lock button again
within 4 seconds, the warning
sound will operate once to indicate
that all doors are locked.
Off - The Horn feedback operation will
be canceled.
Warnings and indicatorsAll warning lights are checked by turning
the ignition switch ON (do not start the
engine). Any light that does not illuminate
should be checked by an authorized
HYUNDAI dealer.
After starting the engine, check to make
sure that all warning lights are off. If any
are still on, this indicates a situation that
needs attention. When releasing the
parking brake, the brake system warning
light should go off. The fuel warning light
will stay on if the fuel level is low.

459
Features of your vehicle
ECO indicator (if equipped)ECO ON/OFF mode (if equipped)
The ECO indicator light helps that you to
drive economically.
It is displayed if you drive fuel efficiently
to help you improve fuel efficiency.
 The ECO indicator (green) will turn on when you are driving fuel efficiently in
the ECO ON mode.
If you don't want the indicator dis-
played, you can turn the ECO ON
mode to OFF mode by pressing the
TRIP button.
As per ECO ON/OFF Mode operation,
refer to the previous page. (if equipped)
 The fuel-efficiency can be changed by the driver's driving habits and road
conditions.
 The ECO indicator does not funtion in P (Park), and N (Neutral), R (Reverse).
 When the instant fuel consumption mode is displayed on the LCD screen,
the ECO indicator turns off (if
equipped). Active ECO system (if equipped)
When the active ECO is operating the
ECO indicator is green.
For more detailed information, refer to
“Active ECO” in chapter 5.
Air bag warning lightThis warning light will illuminate for
approximately 6 seconds each time you
turn the ignition switch to the ON posi-
tion.
This light also comes on when the
Supplemental Restraint System (SRS) is
not working properly. If the SRS air bag
warning light does not come on, or
continuously remains on after operating
for about 6 seconds when you turned the
ignition switch to the ON position or start-
ed the engine, or if it comes on while
driving, have the SRS inspected by an
authorized HYUNDAI dealer.
ECO
WARNING
Don't keep watching the indicator
while driving. It will distract you
while driving and cause an acci-
dent that results in severe personal
injury.

465
Features of your vehicle
Immobilizer indicator Without smart key system
This light illuminates when the immobiliz-
er key is inserted and turned to the ON
position to start the engine.
At this time, you can start the engine. The
light goes out after the engine is running.
If this light blinks when the ignition switch
is in the ON position before starting the
engine, have the system checked by an
authorized HYUNDAI dealer.
With smart key system (if equipped)
If any of the following occurs in a vehicle
equipped with the smart key, the immobi-
lizer indicator illuminates, blinks or the
light goes off.
 When the smart key is in the vehicle, ifthe engine start/stop button is turned
to the ON position, the indicator will
illuminate until the engine is started.
However, when the smart key is not in
the vehicle, if the engine start/stop but-
ton is depressed, the indicator will blink
for a few minutes to indicate that you
will not be able to start the engine.  When the ignition switch is turned to
the ON position and the indicator turns
off after 2 seconds, the system may
need repair. Have the vehicle checked
by an authorized HYUNDAI dealer.
 When the battery is weak, if the engine start/stop button is depressed, the indi-
cator will blink and you will not be able
to start the engine. However, you may
still be able to start the engine by
inserting the smart key in the smart
key holder. If smart key system related
parts need repair, the indicator blinks.
Low fuel level warning lightThis 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.
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
ignition switch is turned to the ON posi-
tion, and will go out in a few seconds
after the engine is started. If it illuminates
while driving, or does not illuminate when
the ignition switch is turned to 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 vehicle66
4Engine 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 section 6.
ESC indicator (ElectronicStability Control) The ESC indicator will illuminate when
the ignition switch is turned ON, but
should go off after approximately 3 sec-
onds. When the ESC is on, it monitors
the driving conditions under normal driv-
ing conditions, the ESC light will remain
off. When a slippery or low traction con-
dition is encountered, the ESC will oper-
ate, 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 ignition switch is turned 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 illuminate indicating
the ESC is deactivated.
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.
CAUTION
 Prolonged driving with the Malfunction Indicator Light illumi-nated may cause damage to the emission control systems whichcould effect drivability and/or fueleconomy.
If the Malfunction Indicator Light illuminates, potential catalyticconverter damage is possible.This could result in loss of engine power. Have the Engine ControlSystem inspected as soon as pos-sible by an authorized HYUNDAIdealer.
CRUISE

467
Features of your vehicle
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.Electronic power steering(EPS) system warninglight This indicator light comes on after the
ignition key 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.
Key reminder warning chime Without smart key
If the driver’s door is opened while the
ignition key is left in the ignition switch
(ACC or LOCK position), the key
reminder warning chime will sound. This
helps prevent you from locking your keys
in the vehicle. The chime sounds until the
key is removed from the ignition switch or
the driver’s door is closed.
With smart key
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 vehicleIf 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.
Turn the ignition switch off or get hold of
the smart key.
EPS
OYF049062N
SET

Features of your vehicle68
4Key is not detectedIf 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.
Low key batteryWhen 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 engineIf 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.
OYF049063N
OYF049064N
OYF049065N

469
Features of your vehicle
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.
Remove keyWhen 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 keyIf you push the engine start/stop button
while the "Key is not detected" illumi-
nates on the LCD screen, the warning
illuminates for 10 seconds.
OYF049066N
OYF049067N
OYF049068N

Features of your vehicle70
4Press start button againIf 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.
Shift to "P" or "N" to start engineIf you try to start the engine with the shift
lever not in P(Park) or N(Neutral), the
warning illuminates for 10 seconds on
the LCD screen.
You can also start the engine with the
shift lever in N(Neutral), but for your safe-
ty start the engine with the shift lever in
P(Park).
Low tire pressureWhen one or more of your tires is signifi-
cantly underinflated, the warning light
comes on.
OYF049069N
OYF049070N
OYF049073N

Features of your vehicle72
4The hazard warning flasher should be
used whenever you find it necessary to
stop the car in a hazardous location.
When you must make such an emer-
gency stop, always pull off the road as far
as possible.
The hazard warning lights are turned on
by pushing in the hazard switch. This
causes all turn signal lights to blink. The
hazard warning lights will operate even
though the key is not in the ignition
switch.
To turn the hazard warning lights off,
push the switch a second time.
Battery saver function  The purpose of this feature is to pre-
vent the battery from being dis-
charged. The system automatically
turns off the parking lights when the
driver removes the ignition key (smart
key : turns off the engine) and opens
the driver-side door.
 With this feature, the parking lights will be turned off automatically if the driver
parks on the side of road at night.
If necessary, to keep the lights on
when the ignition key is removed
(smart key : turns off the engine), per-
form the following:
1) Open the driver-side door.
2) Turn the parking lights OFF and ON again using the light switch on the
steering column.
Headlamp delay (if equipped)If you turn the ignition switch to the ACC
or OFF position with the headlights ON,
the headlights (and/or tail lights) remain
on for about 20 minutes. However, if the
driver’s door is opened and closed, the
headlights are turned off after 30 sec-
onds.
The headlights can be turned off by
pressing the lock button on the transmit-
ter (or smart key) twice or turning the
light switch to the OFF or Auto position.
However, if you turn the light switch to the
Auto position when it is dark outside, the
headlights will not be turned off.
HAZARD WARNING FLASHER LIGHTING
OYF049084N
CAUTION
If the driver gets out of the vehicle
through other doors (except dri- ver's door), the battery saver func-tion does not operate and the head- lamp delay does not turn off auto-matically. Therefore, it causes thebattery to be discharged. In thiscase, make sure to turn off the lamp before getting out of the vehicle.