Page 89 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda3-24immediately after it starts.NOTEIf the warning light comes on and
stays on when the ignition is
turned to the ON position, the
engine will not start.Maintenance
If you have a problem with the
immobilizer system or the key, consult
an Authorized Mazda Dealer.
NOTE• The keys carry a unique
electronic code. For this reason,
and to assure your safety,
replacement keys require some
waiting time to obtain. They are
only available through an
Authorized Mazda Dealer.
• Always keep a replacement
key, in case one is lost. If a key
is lost, contact an Authorized
Mazda Dealer as soon as
possible.
(Continued)
•If you lose a key, an Authorized
Mazda Dealer will reset the
electronic codes of your
remaining keys and the
immobilizer system. Starting
the vehicle with a key that has
not been reset is not possible.
Page 90 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda
3-25
CAUTION
!
To avoid damage to the key, do
not:
•Drop the key.
• Get the key wet.
• Expose the key to any kind of
magnetic field.
• Expose the key to high
temperatures on places such as
the dashboard or hood, under
direct sunlight.
CAUTION
!
When starting the engine, do not
let the following materials touch
the key grip. The engine may not
start:
•Spare keys.
• Keys for other vehicles
equipped with an immobilizer
system.
• Metal objects that touch or pass
through the hole in the key.
Modification and Add-On
Equipment
Mazda cannot guarantee the system’ s
operation if the system has been
modified or if any add-on equipment
has been installed to it.
CAUTION
!
To avoid damaging your vehicle,
don’ t modify the system or install
any add-on equipment to it.
Page 91 of 365

Form No. 8P95-EA-00G
*Some models.
Knowing Your Mazda3-26
Q096-19AE
Theft-Deterrent System*The optional theft-deterrent system is
designed to prevent your vehicle or its
contents from being stolen when all of
the doors, hood, and trunk lid are
locked.
If forcible entry is attempted, the
system sounds the horn and flashes the
hazard warning lights and headlights.NOTEThe theft-deterrent system has
been designed to operate mainly
with the keyless entry system
transmitter.
096-3AE
The system won’ t function unless it’ s
properly armed.
So when you leave your vehicle:
• Lock all doors
• Close all windows
• Take your key and keyless entry
system transmitter
• Make sure the security indicator
light is flashing
Q096-4D2E
Operation
What turns it on:
• Forcing open a door, the hood or
the trunk lid.
• Opening the hood or the trunk lid
by operating the hood release lever
or remote trunk lid release button.
• Opening a door after unlocking the
doors with the key or an inside
door-lock button.
Page 92 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda
3-27
NOTEThe alarm will activate about 15
seconds after a door has been
opened. The indicator light flashes
rapidly for about 15 seconds.
096-5A1E
What it does:
• The horn sounds intermittently and
the hazard warning lights and
headlights flash.
Q096–6HE
• The alarm continues for about 3
minutes, then stops. When it is triggered, the warning
lights and horn will activate. They will
shut off when:
•
The doors are unlocked with the
keyless entry system transmitter.
• The trunk lid is opened with the
key or the keyless entry system
transmitter.
• The ignition is turned to the ON
position.
096-8AE
How to Arm the System
1. Remove the ignition key.
Q096-9GE
2. Close the hood and the trunk lid.
Then close the doors and press the
LOCK button on the keyless entry
system transmitter
096-10BE
NOTELocking the doors with a key will
not arm the system.
Page 93 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda3-28J94A2008A
Lock
The following method will also arm
the theft-deterrent system.
Close the hood and the trunk lid. Press
the area on the door-lock switch
marked “DOOR LOCK” once and
then close all the doors.
096-12AE
J94S30013. The turn signal lights flash for
about 2 seconds, then the security
indicator light starts to flash every
3 seconds to indicate that the
system is fully armed. It continues
to flash until the theft-deterrent
system is turned off.
096-14C1E
J94S3002 To Turn off an Armed System
An armed system can be turned off by
pressing the UNLOCK button on the
keyless entry system transmitter. If the
transmitter doesn’ t work, unlock the
driver ’s door with a key. Open the
door and within 15 seconds, put the
Page 94 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda
3-29
key into the ignition and turn it to the
ON position. If it takes longer than 15
seconds the alarm will sound.
Q096-15E1E
NOTEThe trunk lid can be opened with
the key or the keyless entry system
transmitter even when the system
is armed. The alarm will not come
on and the system will remain
armed.
Q096-16I1E
To Stop the Warning Alarm
A triggered alarm can be turned off by
opening the trunk with the key or
pressing the UNLOCK button or the
button on the keyless entry system
transmitter. If the transmitter doesn’ t
work, put the key into the ignition and
turn it to the ON position.
096-17AE
NOTEIf you have any problem with the
theft-deterrent system, consult an
Authorized Mazda Dealer.
096-18AE
J94A2021
(J18T2024) Theft-Deterrent Labels
Labels indicating that your vehicle is
equipped with a Theft-Deterrent
System are in the glove box.
Page 95 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda3-30Mazda recommends that you affix
them to the lower rear corner of the
front door windows.
014-2BE
Fuel-Filler LidJ25F2040To open, pull the remote fuel-filler lid
release up.
015-1DE
Fuel-Filler Cap
J94A2023
Open
Close
•To remove the filler cap, turn it
counterclockwise.
• To replace the filler cap, turn it
clockwise until it clicks.
Page 96 of 365
Form No. 8P95-EA-00G
Knowing Your Mazda
3-31
015-3AE
WARNING
!
Fuel Spray:Fuel spray is dangerous. Fuel can
burn skin and eyes and cause
illness when ingested. Fuel spray
happens when there is pressure in
the fuel tank and the fuel cap is
removed too quickly. When
removing the fuel cap, loosen the
cap slightly and wait for any
hissing to stop. Then remove it.
WARNING
!
Fuel Vapor:Fuel vapor is dangerous. It could
be ignited by sparks or flames;
causing serious burns and
injuries. Before refueling, stop
the engine. And always keep
sparks and flames away from the
filler neck.
015-4AE
CAUTION
!
Always use only a designated
Mazda fuel cap or an approved
equivalent, available at Authorized
Mazda Dealers. The wrong cap
can result in a serious malfunction
of the fuel and emission control
systems. If may also cause the
check engine light in the
instrument cluster to appear.