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qTransmitter Maintenance
If the buttons on the transmitter are
inoperable and the operation indicator
light does not flash, the battery may be
dead.
Replace with a new battery before the
transmitter becomes unusable.
CAUTION
ØInstall the battery with the positive
pole (
) facing down. Battery
leakage could occur if it is not
installed correctly.
ØWhen replacing the battery, be
careful not to bend the electrical
terminals or get oil on them. Also
be careful not to get dirt in the
transmitter as it could be
damaged.
ØThere is the danger of explosion if
the battery is not correctly
replaced.
ØReplace only with the same type
battery (CR1620 or equivalent).
ØDispose of used batteries
according to the following
instructions.
ØInsulate the plus and minus
terminals of the battery using
cellophane or equivalent tape.
ØNever disassemble.
ØNever throw the battery into
fire and/or water.
ØNever deform or crush.
Replacing the transmitter battery
1. Unfold the key (page 3-26).2. Insert a screwdriver into the slot and
push the tab to remove the key from
the transmitter.
Ta b
3. Insert a screwdriver into the slot and
gently pry open the transmitter.
4. Remove the battery.
Knowing Your Mazda
Doors and Locks
3-31
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Form No.8BM5-EA-10F
Page 115 of 508

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Opening the liftgate
Grasp the lower end of the liftgate, press
the electric liftgate opener on the liftgate,
and then raise the liftgate when the latch
releases.
Electric liftgate
opener
While the ignition is switched ON, the
liftgate can be opened only when the
vehicle is stopped with the parking brake
applied (manual transaxle), or with the
selector lever in the P position (automatic
transaxle).
NOTE
lWhen the liftgate is unlocked by pressing
the electric liftgate opener button, the
liftgate raises slightly to allow it to be
opened. If the liftgate is not operated for a
certain period of time after the electric
liftgate opener button has been pressed, the
liftgate cannot be raised any more from its
slightly raised position. Press the electric
liftgate opener button again to fully open
the liftgate. To close the liftgate from its
slightly raised position, open it first by
pressing the electric liftgate opener button
and waiting for 1 second or longer, then
close it.
lThe sound of the latch may be heard for a
few seconds after the electric liftgate
opener has been pressed, however, this does
not indicate a malfunction.
When the liftgate cannot be opened
If the vehicle battery is dead or there is a
malfunction in the electrical system and
the liftgate cannot be unlocked, perform
the following procedure as an emergency
measure to unlock it:
1. Fold down the rear seatbacks.
Refer to Split-Folding Rear Seatback
on page 2-8.
2. Remove the cap on the interior surface
of the liftgate with a flathead
screwdriver.
Cap
3. Turn the lever to the right to unlock the
liftgate.
Lever
After performing this emergency measure,
have the vehicle inspected at an
Authorized Mazda Dealer as soon as
possible.
Knowing Your Mazda
Doors and Locks
3-39
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Form No.8BM5-EA-10F
Page 129 of 508

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Immobilizer System (with
Advanced Key)
The immobilizer system allows the engine
to start only with an advanced key the
system recognizes.
If someone attempts to start the engine
with an unrecognized advanced key, the
engine will not start, thereby helping to
prevent the theft of your vehicle.
If you have a problem with the
immobilizer system or the advanced key
(including auxiliary key), consult an
Authorized Mazda Dealer.
CAUTION
ØRadio equipment like this is
governed by laws in the United
States.
Changes or modifications not
expressly approved by the party
responsible for compliance could
void the user's authority to
operate the equipment.
ØTo avoid damage to the key, do
not:
ØDrop the key.
ØGet the key wet.
ØExpose the key to any kind of
magnetic field.
ØExpose the key to high
temperatures on places such as
the dashboard or hood, under
direct sunlight.
CAUTION
Do not allow the following when
starting the engine with the auxiliary
key due to an advanced key dead
battery or other malfunction.
Otherwise the signal from the
auxiliary key will not be received
correctly and the engine may not
start.
ØA key ring rests on the key grip.
ØMetal parts of other keys or metal
objects touch the auxiliary key
grip.
ØSpare auxiliary keys or keys for
other vehicles equipped with an
immobilizer system touch or come
near the auxiliary key.
ØDevices for electronic purchases, or
security passage which touch or
come near the auxiliary key.
Knowing Your Mazda
Security System
3-53
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Form No.8BM5-EA-10F
Page 137 of 508

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Theft-Deterrent Systemí
If the theft deterrent system detects an
inappropriate entry into the vehicle, which
could result in the vehicle or its contents
being stolen, the alarm alerts the
surrounding area of an abnormality by
sounding the horn and flashing the hazard
warning lights.
Refer to Operation on page 3-61.
NOTE
lThe theft-deterrent system operates with the
key or the keyless entry system transmitter.
l(With advanced key)
The theft-deterrent system can also be
operated using the advanced keyless
function.
The system operates only when the driver is
in the vehicle or within operational range
while the advanced key is being carried.
lThe system will not function unless it is
properly armed. To properly secure the
vehicle, always make sure all windows are
completely closed and all doors and the
trunk lid/liftgate are locked before leaving
the vehicle. Remember to take your key and
transmitter.
qOperation
System triggering conditions
The horn sounds intermittently and the
hazard warning lights flash for about 30
seconds when the system is triggered by
any one of the following:
lForcing open a door, the hood or the
trunk lid/liftgate.
lUnlocking a door with the inside door-
lock knob.
lUnlocking a door with the door lock
switch.
lOpening the hood by operating the
hood release handle.
l(Without advanced key)
Switching the ignition ON without the
key.
(With advanced key)
Switching the ignition ON without
using the push button start.
lOpening the trunk lid by operating the
trunk lid release lever.
If the system is triggered again, the lights
and horn will activate until a door or the
liftgate is unlocked or the trunk lid is
opened with the key or with the
transmitter.
(With advanced key)
The lights and horn can also be
deactivated by pressing the request switch
on a door.
NOTE
If the battery goes dead while the theft-
deterrent system is armed, the horn will
activate and the hazard warning lights will
flash when the battery is charged or replaced.
qHow to Arm the System
1. Close the windows and the moonroofí
securely.
2. Remove the key from the ignition
switch.
(With advanced key)
Press the push button start to off
position, if the auxiliary key is inserted
in the key slot, remove it.
Knowing Your Mazda
Security System
3-61íSome models. Mazda3_8BM5-EA-10F_Edition2 Page137
Monday, July 26 2010 1:52 PM
Form No.8BM5-EA-10F
Page 212 of 508

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If the warning light illuminates again even
after the tire pressures are adjusted, there
may be a tire puncture. Replace the
punctured tire with the temporary spare
tire (page 7-9).
NOTE
A tire pressure sensor is not installed to the
temporary spare tire. The warning light will
flash continuously while the temporary spare
tire is being used.
Warning light flashes
When the warning light flashes, there may
be a system malfunction. Consult an
Authorized Mazda Dealer.
qKEY Warning Light (Red)/KEY
Indicator Light (Green) (with
Advanced Key)
This indicator has two colors.
KEY Warning Light (Red)
When illuminated
lWhen the push button start is pressed
ON, it illuminates momentarily and
then turns off.
lIf any malfunction occurs in the
advanced keyless system, it illuminates
continuously.
WARNING
Do not drive the vehicle with the KEY
warning light illuminated:
If the KEY warning light remains
illuminated, do not continue to drive
using the advanced key system. Park
the vehicle in a safe place and use
the auxiliary key to continue driving
the vehicle. Have the vehicle
inspected at an Authorized Mazda
Dealer as soon as possible.
When flashing
lUnder the following conditions, the
KEY warning light (red) flashes to
inform the driver that the push button
start will not switch to ACC even if it
is pressed from off.
lThe advanced key battery is dead.lThe advanced key is not within
operational range.
lThe advanced key is placed in areas
where it is difficult for the system to
detect the signal (page 3-7).
lA key from another manufacturer
similar to the advanced key is in the
operational range.
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Warning/Indicator Lights and Beep Sounds
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Form No.8BM5-EA-10F