2010 Hyundai Equus key battery

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Features of your vehicle
Lock release
To release the trunk lock feature, open
the glove box with the mechanical key
and set the trunk lid control button to ON
position (depressed). In this position the
trunk will open with the trunk lid button or
smart key.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 authorized 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 authorized
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.
OBH048004
CAUTION
Using the wrong battery can
cause the smart key to malfunc-tion. Be sure to use the correct battery.
Circuits inside the smart key may develop problems when dropped,exposed to moisture or staticelectricity.
If you suspect that your smart key might have sustained some dam-
age, or you feel your smart key is not working correctly, contact anauthorized HYUNDAI dealer.

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Features of your vehicle
If the automatic stop and reversal feature
operates continuously more than twice
during one opening or closing operation,
the power trunk may stop at that position.
At this time, close the trunk manually and
operate the trunk automatically again.How to reset the power trunk
If the battery has been discharged or dis- connected, or if the related fuse has
been replaced or disconnected, for the
power trunk to operate normally, reset
the power trunk as follow:
1. Put the shift lever in P (Park).
2. Close the trunk manually.
If the power trunk doesn't work properly
after above procedure, have the system
checked by an authorized HYUNDAI
dealer.
Trunk lid control button
When the trunk lid control button isON(depressed), the power trunk can
be controlled with the power trunk
main control button, power trunk open,
close button, and the smart key.
When the trunk lid control button is OFF (not depressed), the power trunk
can controlled with the mechanical key
of the smart key only.
WARNING
Never intentionally place any object or part of your body in the
path of the power trunk to makesure the automatic stop operates.
Make sure all faces, arms, hands, body parts and any other obstruc-
tions are safely out of the way
before operating the power trunk.
Never place any object or part of your body in the path of the
power trunk. This could result in
serious injury or cause damage
to the vehicle.
Make sure there are no people or objects around the trunk before
operating the power trunk.
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OFFON

461
Features of your vehicle
Door open position indicator
This indicator illuminates when a door,
hood or trunk is not closed securely.
The indicator displays that which one is opened.
Immobilizer indicator
If any of the following occurs, the immo-
bilizer 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 ACC or ON position, the indica-tor will illuminate until the engine is
started. However, when the smart key
is not in the vehicle, if the engine
start/stop button is pressed, the indica-
tor will blink for a few minutes to indi-
cate that you are not be able to start
the engine.
When the engine start/stop button is turned to the ON position from the
ACC position without the smart key in
the vehicle, the indicator blinks for a
few minutes to indicate that you are not
be able to start the engine.
When the battery is weak, if the engine start/stop button is pressed, the indica-
tor will blink and you are not be able to
start the engine. However, you are able
to start the engine by inserting the
smart key in the smart key holder. If
smart key system related parts have a
problem, the indicator will blink.
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 causethe engine to misfire and damage the
catalytic converter.
Low washer fluid level
warning light
This warning light indicates the washer
fluid reservoir is near empty. Refill the
washer fluid as soon as possible.
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467
Features of your vehicle
Low key battery
If the engine
start/stop button
turns to the OFFposition when the
smart key in the
vehicle dis-
charges, the warn-ing illuminates on
the LCD display
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 then pressing the engine
start/stop button.
Press brake pedal to start engine
If the engine
start/stop button
turn to the ACC
position twice by
pressing the but-ton repeatedlywithout depress-
ing the brake
pedal, the warningilluminates on the
LCD display for 10 seconds to indicate
that you should depress the brake pedal
to start the engine.
Shift to "P" position
If you try to turn off the engine without
the shift lever in
the P (Park) posi-tion, the engine
start/stop button
will turn to the
ACC position. If
the button ispressed once
more it will turn to the ON position The
warning illuminates on the LCD display
for about 10 seconds to indicate that you
should press the engine start/stop button
with the shift lever in the P (Park) position
to turn off the engine.
Remove key
When you turn off the engine with
the smart key in
the smart key
holder, the warn-ing illuminates on
the LCD display
for 10 seconds.
Push the smart
key inward and
pull it out from the smart key holder.
Insert key
If you press the
engine start/ stop
button while the
"Key is not detect-ed" illuminates on
the LCD display,
the warning “Insert
key” illuminates for
10 seconds.
Press start button again
If there is a prob- lem with the
engine start/ stop
button system, the
warning illumi-
nates for 10 sec-onds to indicate
that you could
start the engine bypressing the
engine start/ stop button while pressing
the brake pedal.
If the warning illuminates each time you
press the engine start/stop button, take
your vehicle to an authorized HYUNDAI
dealer and have the system checked.
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Features of your vehicle
78
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 exterior lights when the
driver 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 engine start/stop button is
turned to the OFF position, perform 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. Headlight escort function (if equipped)
If you turn the engine start/stop button to
the ACC or OFF position with the head-lights 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 seconds.
The headlights can be turned off by
pressing the door lock button on the
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.
Rescue mode function (if equipped)
If your vehicle has any problem on the
vehicle network system, the headlights
(low beam) turn on automatically with the
engine start/stop button in the ON posi-
tion even though the headlight switch is
not turned on. At this time, the emer-
gency lighting is not turned off when the
headlight switch is turned off.
LIGHTING
CAUTION
If the rescue mode occurs, have
your vehicle checked by an author-
ized HYUNDAI dealer as soon aspossible.

Features of your vehicle
88
4
Front
(1) Front map lamp
(2) Front room lamp
: Press the button to turn the
map lamp on or off. This light
produces a spot beam for con-
venient use as a map lamp at
night or as a personal lamp for
the driver and the front pas-
senger. To turn the lamp off,
press the button again. The front or rear room lamp
come on when the front or reardoor is opened regardless of
the engine start/stop button
position. When doors are
unlocked by the smart key, thefront and rear lamps come on
for approximately 15 seconds
as long as any door is not
opened. The front and rear
room lamps go out gradually
after approximately 15 sec-onds if the door is closed.
However, if the engine
start/stop button is ON position
or all doors are locked, the
front and rear lamps will turn
off immediately.
If a door is opened with the
engine start/stop button in the
ACC or OFF position, the front
and rear lamps stay on for
about 20 minutes.
However, if a door is opened
with the engine start/stop but-ton in the ON position, the
lamps stays on continuously.
ROOM : Pressing the button, turns the
front and rear room lamps on.
To turn the lamps off, press the
ROOM button again.
INTERIOR LIGHT
CAUTION
Do not use the interior lights for
extended periods when the engine
is not running.
It may cause battery discharge.
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Front

Driving your vehicle
4
5
Illuminated engine start/stop but- ton
Whenever the front door is opened, the
engine start/stop button will illuminate for
your convenience. The light will go offafter about 30 seconds when the door isclosed. Engine start/stop button position
OFF
To turn off the engine (START/RUN posi-
tion) or vehicle power (ON position),
press the engine start/stop button with
the shift lever in P(Park). When you press
the engine start/stop button without the
shift lever in P(Park), the engine
start/stop button will not turn to the OFF
position but to the ACC position.
If you turn the engine start/stop button off
and remove the smart key from the smart
key holder, the steering wheel will lock.
If you turn the engine start/stop button off
when the smart key isn't in the smart key
holder and open the driver's door, the
steering wheel will lock.
✽✽
NOTICE
 If difficulty is experienced turning the engine start/stop button to the ACC
position, turn the steering wheel right
and left to release the tension while
pressing the engine start/stop button.
 When you turn off the engine, the vehicle should be stopped. ACC(Accessory)
Press the engine start/stop button when it is in the OFF position without depress-
ing the brake pedal.
The steering wheel is unlocked and elec-
trical accessories are operational.
If the engine start/stop button is in the
ACC position for more than 1 hour, the
button is off automatically to prevent the
battery discharge.
ENGINE START/STOP BUTTON
WARNING
You are able to turn off the engine
(START/RUN) or vehicle power
(ON), only when the vehicle is not in
motion. In an emergency situation
while the vehicle is moving, youcan off the engine and turn the
engine start/stop button to the ACC
position by pressing the engine
start/stop button for more than 3
seconds or 3 times successively. If
the vehicle is moving, you can
restart the engine without pressing
the brake pedal by pressing the
engine start/stop button with the
shift lever in N(Neutral).
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57
Driving your vehicle
✽✽NOTICE
 If the battery is weak or the smart key does not work correctly, you can start
the engine by inserting the smart key
into the smart key holder. To eject the
smart key from the smart key holder,
press the smart key inward passed the
detent and then pull the key outward.
 When the stop lamp fuse is blown, you can't start the engine normally.
Replace the fuse with a new one. If
you are not able to replace the fuse,
you can start the engine by pressing
the engine start/stop button for 10 sec-
onds with the engine start/stop button
in the ACC. The engine can start with-
out depressing the brake pedal. But
for your safety always depress the
brake pedal before starting the
engine.
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CAUTION
Do not press the engine
start/stop button for more than 5
seconds except when the stoplamp fuse is blown.
When you eject the smart key from the smart key holder, press
the smart key inward and pull it out. If you pull out the smart keyforcibly without pushing thesmart key, the smart key holder
may be damaged and couldn’t operate normally.