Page 117 of 452

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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.
Ø To 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 auxiliary
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.
Knowing Your Mazda
Security System
3-63
MX-5_8CM3-EA-12F_Edition2 Page117
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Form No.8CM3-EA-12F
Page 125 of 452

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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 3-71.
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 both windows
are completely closed and both doors and
the trunk lid 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 25
seconds when the system is triggered by
any one of the following:
lForcing open a door, the hood or the
trunk lid.
lUnlocking a door with the door lock
switch.
lOpening a door by operating an inside
door-lock knob.
lOpening the hood by operating the
hood release handle.
lOpening the trunk lid by operating the
trunk lid release button.
If the system is triggered again, the lights
and horn will activate until a door 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.
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.
q How to Arm the System
1. Close the windows securely.
2. Remove the key from the ignition
switch.
(With advanced key)
Switch the ignition off with the start
knob.
3. Make sure all the windows the hood, and the trunk lid are closed. Close and
lock both doors 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.
The following method will also arm the
theft-deterrent system:
(With advanced key)
Press a request switch on the doors or
the lock button on the transmitter.
(Without advanced key)
Close the hood and the trunk lid. Press
the area on the door-lock switch
marked “LOCK ”once. Close both
doors.
Knowing Your Mazda
Security System
3-71íSome models.
MX-5_8CM3-EA-12F_Edition2 Page125
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Form No.8CM3-EA-12F
Page 194 of 452

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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 start knob
will not rotate to the ACC position
even if it is pushed in from the OFF/
LOCK position.
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.
lUnder the following conditions, the
KEY warning light (red) will flash
continuously when the start knob has
not been returned to the OFF/LOCK
position to notify the driver that the
advanced key has been removed from
the vehicle. It will stop flashing when
the advanced key is back inside the
vehicle.
lThe start knob has not been returned
to the OFF/LOCK position, the
driver's door is open, and the
advanced key is removed from the
vehicle.
lThe start knob has not been returned
to the OFF/LOCK position and all
the doors are closed after removing
the advanced key from the vehicle.
NOTE
The flashing KEY warning light (red) and the
beep sound operate simultaneously (page
3-22).
KEY Indicator Light (Green)
When illuminated
When the start knob is pushed in from the
OFF/LOCK position, the system confirms
that the correct advanced key is inside the
vehicle, the KEY indicator light (green)
illuminates, and the start knob can be
turned to the ACC position (page 3-11).
When flashing
When the advanced key battery power is
low, the KEY indicator light flashes for 30
seconds after the start knob is turned from
the ON position to the ACC or OFF/
LOCK position. Replace with a new
battery before the advanced key becomes
unusable (page 3-7).
5-50
Driving Your Mazda
Warning/Indicator Lights and Beep Sounds
MX-5_8CM3-EA-12F_Edition2 Page194
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Form No.8CM3-EA-12F