2012 Hyundai Elantra key battery

Safety features of your vehicle
44
3
Driver's and passenger's front air
bag (if equipped)
Your vehicle is equipped with a
Supplemental Restraint (Air Bag) System
and lap/shoulder belts at both the driver
and passenger seating positions.
WARNING
If an air bag deploys, there may be a loud noise followed by a fine
dust released in the vehicle.These conditions are normal and
are not hazardous - the air bags
are packed in this fine powder.
The dust generated during air
bag deployment may cause skin
or eye irritation as well as aggra-
vate asthma for some persons.
Always wash all exposed skin
areas thoroughly with lukewarmwater and a mild soap after an
accident in which the air bags
were deployed.
The SRS can function only when the ignition switch is in the ONposition.
Before you replace a fuse or dis- connect a battery terminal, turn
the ignition switch to the LOCK
position and remove the ignition
key. Never remove or replace the
air bag related fuse(s) when the
ignition switch is in the ON posi-
tion. Failure to heed this warning
will cause the SRS air bag warn-
ing light to illuminate.
OMD031033R
OMD031034R
■Driver’s front air bag
■Passenger’s front air bag
WARNING
Do not install or place any acces- sories (drink holder, cassette
holder, sticker, etc.) on the front
passenger's panel above the
glove box in a vehicle with a pas-
senger's air bag. Such objects
may become dangerous projec-
tiles and cause injury if the pas-
senger's air bag inflates.
When installing a container of liq- uid air freshener inside the vehi-
cle, do not place it near the
instrument cluster nor on the
instrument panel surface.
It may become a dangerous pro-
jectile and cause injury if the pas-
senger's air bag inflates.
B240B05L/H
Passenger’s front air bag

Features of your vehicle
8
4
Battery replacement
A smart key battery should last for sever-
al years, but if the smart key is not work-
ing properly, try replacing the battery with
a new one. If you are unsure how to use
your smart key or replace the battery,
contact an authorised HYUNDAI dealer.
✽✽
NOTICE
The circuit inside the smart key can
have a problem if exposed to moisture
or static electricity. If you are unsure
how to use your smart key or replace the
battery, contact an authorised
HYUNDAI dealer.
1. Pry open the rear cover of the smart key.
2. Replace the battery with a new battery (CR2032). When replacing the battery,
make sure the battery positive “+” sym-
bol faces up as indicated in the illus-
tration.
3. Install the battery in the reverse order of removal.
✽✽ NOTICE
 Using the wrong battery can cause the smart key to malfunction. Be sure to
use the correct battery.
 Circuits inside the smart key may
develop problems when dropped,
exposed to moisture or static elec-
tricity.
 If you suspect that your smart key might have sustained some damage,
or you feel your smart key is not
working correctly, contact an autho-
rised HYUNDAI dealer.
OBH048004
WARNING
People with medical devices such
as implanted pacemakers or car-
diac defibrillators should not carry
the smart key near the heart. The
smart key system may affect the
operation of such implanted med-
ical devices. Failure to do so may
result in interference with the med-
ical device, which could result in
serious injury.
CAUTION
An inappropriately disposed bat- tery can be harmful to the environ-ment and human health.
Dispose the battery according toyour local law(s) or regulation.

411
Features of your vehicle
Remote keyless entry system operations
Lock (1)
All doors are locked if the lock button is pressed whilst all doors are closed.
The hazard warning lights blink once to
indicate that all doors are locked.
However, if any door, engine bonnet or
boot remains open, the hazard warning
lights will not operate. If all doors, engine
bonnet and boot are closed after the lock
button is pressed, the hazard warning
lights blink once.
Unlock (2)
All doors are unlocked if the unlock but- ton is pressed.
The hazard warning lights will blink twice
to indicate that all doors are unlocked.
After depressing this button, the doors
will be locked automatically unless you
open any door within 30 seconds.
Boot unlock (3)
The boot is unlocked if the button is
pressed for more than 1 second. Once the boot is opened and then
closed, the boot will be locked automati-
cally. ❈The word “HOLD” is written on the but-
ton to inform you that you must press
and hold the button for 1 second. Transmitter precautions
✽✽
NOTICE
The transmitter will not work if any of
following occur:
 The ignition key is in ignition switch.
 You exceed the operating distance limit (about 10 m [30 feet]).
 The battery in the transmitter is weak.
 Other vehicles or objects may be blocking the signal.
 The weather is extremely cold.
 The transmitter is close to a radio transmitter such as a radio station or
an airport which can interfere with
normal operation of the transmitter.
When the transmitter does not work
correctly, open and close the door with
the ignition key. If you have a problem
with the transmitter, contact an autho-
rised HYUNDAI dealer.
REMOTE KEYLESS ENTRY (IF EQUIPPED)
OVG049004
CAUTION
Keep the transmitter away from water or any liquid. If the keyless
entry system is inoperative due toexposure to water or liquids, it will not be covered by your manufactur-er vehicle warranty.

Features of your vehicle
12
4
CAUTION
The keyless entry system trans-
mitter is designed to give you
years of trouble-free use, howev- er it can malfunction if exposed tomoisture or static electricity. Ifyou are unsure how to use your
transmitter or replace the battery,contact an authorised HYUNDAI dealer.
Using the wrong battery can cause the transmitter to malfunc-tion. Be sure to use the correctbattery.
To avoid damaging the transmit- ter, don't drop it, get it wet, or
expose it to heat or sunlight.
CAUTION
An inappropriately disposed bat-tery can be harmful to the environ-ment and human health.
Dispose the battery according toyour local law(s) or regulation.
Battery replacement
The transmitter uses a 3 volt lithium bat-
tery which will normally last for several
years. When replacement is necessary,
use the following procedure.
1. Insert a slim tool into the slot and gen- tly pry open the transmitter centre
cover (1).
2. Replace the battery with a new one. When replacing the battery, make sure
the battery positive “+” symbol faces
up as indicated in the illustration.
3. Install the rear cover.
For replacement transmitters, see an
authorised HYUNDAI dealer for transmit-
ter reprogramming.
CAUTION
Changes or modifications not expressly approved by the party
responsible for compliance couldvoid the user’s authority to operatethe equipment. If the keyless entry system is inoperative due to
changes or modifications notexpressly approved by the partyresponsible for compliance, it will
not be covered by your manufactur-er’s vehicle warranty.
OED039003A

Features of your vehicle
56
4
EPS (Electric power steer-
ing) system warning light
This warning light illuminates after the
ignition key is turned to the ON positionand then it will go off when the engine
starts. This light also comes on when the EPS
has malfunctioned. If it comes on whilst
driving, have your vehicle inspected by
an authorised HYUNDAI dealer.
Door ajar warning light (if equipped)
This warning light illuminates when a
door is not closed securely.
Boot open warning light(if equipped)
This warning light illuminates when the
boot is not closed securely.
Immobiliser indicator (if equipped)
Without smart key system This indicator illuminates when the
immobiliser key is inserted and turned to
the ON position to start the engine.
At this time, you can start the engine. The
indicator goes out after approximately 30
seconds.
If this indicator blinks when the ignition
switch is in the ON position before start-
ing the engine, have the system checked
by an authorised HYUNDAI dealer. With smart key system
If any of the following occurs in a vehicle
equipped with the smart key, the immo-
biliser indicator illuminates, blinks or
goes off.
When the smart key is in the vehicle, if
the ENGINE START/STOP button is in
the ACC or ON position, the indicator
will illuminate for approximately 30
seconds to indicate that you are able to
start the engine. However, when the
smart key is not in the vehicle, if the
ENGINE START/STOP button is
pressed, the indicator will blink for a
few seconds to indicate that you are
not able to start the engine.
If the indicator illuminates only for 2 seconds and goes out when the
ENGINE START/STOP button is
turned to ON position with the smart
key in the vehicle, have the system
checked by an authorised HYUNDAI
dealer.
When the battery is weak, if the ENGINE START/STOP button is
pressed, the indicator blinks, you are
not able to start the engine. However,
you are able to start the engine by
pressing the ENGINE START/STOP
button directly with the smart key. Also,
if the smart key system related parts
have a problem, the indicator will blink.
EPS

461
Features of your vehicle
LCD display warning (if equipped)
Key is not in vehicle If the smart key is
not in the vehicle
and if any door isopened or closedwith the ENGINE
START/STOP but-
ton in the ACC,
ON, or START position, the warning illu-
minates on the LCD display. Also, the
chime sounds for 5 seconds when the
smart key is not in the vehicle and thedoor is closed.
Always have the smart key with you. Key is not detected
If the smart key is
not in the vehicleor is not detected
and you press the
ENGINE START/
STOP button, the
warning illumi-
nates on the LCD display for 10 seconds.
Also, the immobiliser indicator blinks for
10 seconds.
Low key battery
If the ENGINE
START/STOP but-
ton turns to theOFF position when
the smart key in
the vehicle dis-
charges, the warn-
ing illuminates on the LCD display for
about 10 seconds. Also, the warning
chime sounds once.
Replace the battery with a new one. Press brake pedal to start engine
(Automatic transaxle)
If the ENGINE
START/STOP but-
ton turns to the
ACC position twice
by pressing the
button repeatedlywithout depressing
the brake pedal, the warning illuminates
on the LCD display for about 10 seconds
to indicate that you should depress the
brake pedal to start the engine.

Features of your vehicle
70
4
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 and
opens the driver-side door.
With this feature, the parking lights will turn off automatically if the driver parkson the side of road at night.
If necessary, to keep the lights on
when the ignition key is removed, 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 function (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, with
the engine off if the driver’s door isopened and closed, the headlights
(and/or tail lights) are turned off after 30
seconds. The headlights (and/or tail lights) can be
turned off by pressing the lock button on
the transmitter (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.
Lighting control
The light switch has a Headlight and a
Parking light position.
To operate the lights, turn the knob at the
end of the control lever to one of the fol-
lowing positions:
(1) OFF position
(2) Parking light position
(3) Headlight position
(4) Auto light position (if equipped)
LIGHTING
CAUTION
If the driver gets out of the vehicle
through other doors (except driver'sdoor), the battery saver functiondoes not operate and the headlampdelay function does not turn off
automatically. Therefore, It causes the battery to be discharged. In thiscase, make sure to turn off the lamp
before getting out of the vehicle.
OMD041210R

Features of your vehicle
78
4
Interior lamp AUTO cut
When all entrances are closed, if you
lock the vehicle by using the transmit-
ter or the smart key, all interior lamp
will be off within 5 seconds.
If you do not operate anything in the vehicle after turning off the engine, the
lights will turn off after 20 minutes. Map lamp (if equipped)
Push the lens (1) to turn the map lamp on
or off. This light produces a spot beam for
convenient use as a map lamp at night or
as a personal lamp for the driver and the
front passenger. In the DOOR position, the map
lamp and the room lamp come
on when any door is openedregardless of the ignition
switch position.
When doors are unlocked bythe transmitter (or smart key),the map lamp and the room
lamp come on for approxi-mately 30 seconds as long as
any door is not open. The maplamp and the room lamp goes
out gradually after approxi-mately 30 seconds if the door
is closed. However, if the igni-
tion switch is ON or all doors
are locked, the map lamp and
the room lamp will turn off
immediately.
Map lamp and room lamp stay on at all times.
The lights turn off even if a door is opened.
❈ When the lamp is turned ON bypressing the lens (1), the lamp
does not turn off even if the
switch (2) is in the OFF position.
INTERIOR LIGHT
CAUTION
Do not use the interior lights for
extended periods when the engine
is not running.
It may cause battery discharge.
WARNING
Do not use the interior lights when
driving in the dark. Accidents could
happen because the view may be
obscured by interior lights.
OMD040096
OMD041096L
■ Type A
■Type B