2004-2009 Mazda 3 4 Door Knowing Your Mazda -> Security System User Manual
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Knowing Your Mazda -> Security System for Your Mazda 3 4 Door First Generation (2004-2009)

Knowing Your Mazda  
Security System  
Immobilizer System  
CAUTION  
The immobilizer system allows the engine  
to start only with a key the system  
recognizes.  
When starting the engine do not allow  
the following, as the engine may not  
start due to the electronic signal from  
the ignition key not being transmitted  
correctly.  
If someone attempts to start the engine  
with an unrecognized key, the engine will  
not start, thereby helping to prevent the  
theft of your vehicle.  
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A key ring rests on the key grip.  
CAUTION  
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Changes or modifications not  
expressly approved by the party  
responsible for compliance could  
void the user's authority to operate  
the equipment.  
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Metal parts of other keys or metal  
objects touch the key grip.  
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To avoid damage to the key, do not:  
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Drop the key.  
Get the key wet.  
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Expose the key to any kind of  
magnetic field.  
Expose the key to high  
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temperatures on places such as the  
dashboard or hood, under direct  
sunlight.  
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Spare keys or keys for other vehicles  
equipped with an immobilizer  
system touch or come near the key  
grip.  
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Devices for electronic purchases, or  
security passage touch or come near  
the key.  
3-24  
Knowing Your Mazda  
Security System  
Disarming  
NOTE  
The system is disarmed when the ignition  
switch is turned to the ON position with  
the correct ignition key.  
The security indicator light illuminates for  
about 3 seconds and goes out.  
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(U.S.A.)  
This device complies with Part 15 of  
the FCC Rules. Operation is subject  
to the following two conditions: (1)  
this device may not cause harmful  
interference, and (2) this device must  
accept any interference received,  
including interference that may cause  
undesired operation.  
If the engine doesn't start with the correct  
ignition key, and the security indicator  
light keeps illuminating or flashing, the  
system may have a malfunction. Consult  
an Authorized Mazda Dealer.  
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(CANADA)  
This device complies with RSS-210  
of Industry CANADA. Operation is  
subject to the following two  
conditions: (1) this device may not  
cause interference, and (2) this  
device must accept any interference,  
including interference that may cause  
undesired operation of the device.  
NOTE  
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If the security indicator light comes  
on and stays on when the ignition  
switch is turned to the ON position,  
the engine will not start.  
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Signals from a TVor radio station, or  
from a transceiver or a mobile  
telephone, could interfere with your  
immobilizer system. If you are using  
the proper key and your engine fails  
to start, check the security indicator  
light. If it is flashing, remove the  
ignition key and wait 2 seconds or  
more, then reinsert it and try starting  
the engine again. If it doesn't start  
after 3 or more tries, contact an  
Authorized Mazda Dealer.  
qOperation  
Arming  
The system is armed when the ignition  
switch is turned from the ON to the ACC  
position.  
The security indicator light in the  
instrument panel flashes every 2 seconds  
until the system is disarmed.  
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If the security indicator light flashes  
continuously while you are driving,  
don't shut off the engine. Go to an  
Authorized Mazda Dealer and have  
it checked. If you shut off the engine  
while the light is flashing you won't  
be able to restart it.  
3-25  
Knowing Your Mazda  
Security System  
qModification and Add-On  
Equipment  
NOTE  
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Since the electronic codes are reset  
Mazda cannot guarantee the immobilizer  
system's operation if the system has been  
modified or if any add-on equipment has  
been installed to it.  
when repairing the immobilizer  
system, the keys are needed. Bring  
all the existing keys to an Authorized  
Mazda Dealer.  
CAUTION  
qMaintenance  
To avoid damage to your vehicle, do  
not modify the system or install any  
add-on equipment to it.  
If you have a problem with the  
immobilizer system or the key, consult an  
Authorized Mazda Dealer.  
NOTE  
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The keys carry a unique electronic  
code. For this reason, and to assure  
your safety, obtaining replacement  
key requires some waiting time.  
They are only available through an  
Authorized Mazda Dealer.  
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Always keep a spare key, in case one  
is lost. If a key is lost, contact an  
Authorized Mazda Dealer as soon as  
possible.  
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If you lose a key, an Authorized  
Mazda Dealer will reset the  
electronic codes of your remaining  
keys and immobilizer system. Bring  
all the remaining keys to an  
Authorized Mazda Dealer to reset.  
Starting the vehicle with a key that  
has not been reset is not possible.  
3-26  
Knowing Your Mazda  
Security System  
qHow to Arm the System  
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Theft-Deterrent System  
1. Remove the key from the ignition  
switch.  
The theft-deterrent system is designed to  
prevent your vehicle or its contents from  
being stolen when all doors, hood, and  
trunk lid/liftgate are locked.  
2. Make sure the hood is closed. Close  
and lock all doors and the liftgate/trunk  
lid from the outside using the key. If  
you have the keyless entry system,  
press the lock button on the transmitter.  
The hazard warning lights will flash  
once to indicate that the system is  
armed.  
If forcible entry is attempted, the system  
sounds the horn and flashes the hazard  
warning lights.  
NOTE  
The following method will also arm the  
theft-deterrent system:  
Close the hood and the liftgate/trunk  
lid . Press the area on the door-lock  
switch marked LOCKonce. Close all  
doors.  
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The theft-deterrent system operates  
with the key or the keyless entry  
system transmitter.  
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The 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.  
NOTE  
Locking the doors with the inside door-  
lock knob will not arm the system.  
qTo Turn off an Armed System  
qOperation  
An armed system can be turned off by any  
one of the following methods:  
System triggering conditions  
The horn sounds intermittently and the  
hazard warning lights flash for about 3  
minutes when the system is triggered by  
any one of the following:  
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Unlock a door or the trunk lid with the  
key.  
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Press the unlock button on the keyless  
entry system transmitter.  
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Forcing open a door, the hood or the  
trunk lid/liftgate.  
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Insert the key into the ignition switch  
and turn it to the ON position.  
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Opening a door, the hood or the trunk  
lid by operating an inside door-lock  
knob, the hood release handle or the  
trunk lid release lever.  
qTo Stop an Alarm  
A triggered alarm can be turned off by  
any one of the following methods:  
If the system is triggered again, the lights  
and horn will activate until a door or the  
trunk lid is unlocked with the key or with  
the transmitter.  
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Unlock a door or the trunk lid with the  
key.  
íSome models.  
3-27  
Knowing Your Mazda  
Security System  
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Press the unlock button on the keyless  
entry system transmitter.  
NOTE  
If you have any problem with the theft-  
deterrent system, consult an Authorized  
Mazda Dealer.  
qTheft-Deterrent Labels  
A label indicating that your vehicle is  
equipped with a Theft-Deterrent System is  
in the glove box.  
Mazda recommends that you affix it to the  
lower rear corner of a front door window.  
3-28  

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