2023 MAZDA CX3 warning lights

Keyless Entry System
▼Keyless Entry System
This system uses the key buttons to
remotely lock and unlock the doors,
liftgate, and fuel-filler lid, and opens/
closes the liftgate.
The system can start the engine
without having to take the key out of
your purse or pocket.
It can also help you signal for attention
or help.
Operating the theft-deterrent system is
also possible on theft-deterrent
system-equipped vehicles.

System malfunctions or warnings are
indicated by the following warning
lights or beeps.
Check the displayed message for more
information and, if necessary, have the
vehicle inspected at an Authorized
Mazda Dealer, according to the
indication.
KEY Warning Indication/Warning
Light (Red)
Refer to KEY Warning Indication/
Warning Light (Red) on page 7-29.
Ignition Not Switched Off (STOP)
Warning Beep
Refer to Ignition Not Switched
Off
(STOP) Warning Beep on page
7-39.
Key Removed from Vehicle Warning
Beep
Refer to Key Removed from Vehicle
Warning Beep on page 7-39.
If you have a problem with the key,
consult an Authorized Mazda Dealer.

If your key is lost or stolen, consult an
Authorized Mazda Dealer as soon as
possible for a replacement and to
make the lost or stolen key inoperative.
CAUTION
Radio 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.
NOTE
The keyless entry system operation
may vary due to local conditions.
The keyless entry system is fully
operational when the ignition is
switched off. The system does not
operate if the ignition is switched to
any position other than off.
If the key does not operate when
pressing a button or the operational
range becomes too small, the battery
may be weak. To install a new
battery, refer to Key Battery
Replacement (page 6-29).
Battery life is about 1 year. Replace
the battery with a new one if the
messages are displayed in the
instrument cluster. Replacing the
battery about once a year is
recommended because the KEY
warning indication may not display
depending on the rate of battery
depletion.
Additional keys can be obtained at
an Authorized Mazda Dealer. Up to
6 keys can be used with the keyless
functions per vehicle. Bring all keys
to an Authorized Mazda Dealer
when additional keys are required.
Before Driving
Keys
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▼Transmitter
1. Operation indicator light
2. Lock button (
)
3. Unlock button (
)
4. Power liftgate button (
)*
5. Panic button ()
NOTE
The headlights turn on/off by
operating the transmitter. Refer to
Leaving Home Light on page 4-57.
(With theft-deterrent system)
The hazard warning lights flash when
the theft-deterrent system is armed
or turned off.
Refer to Theft-Deterrent System on
page 3-48.
(With the advanced keyless
function)
A beep sound can be heard for
confirmation when the doors,
liftgate, and fuel-filler lid are locked/
unlocked using the key. If you prefer,
the beep sound can be turned off.
The volume of the beep sound can
also be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
The operation indicator light flashes
when the buttons are pressed.
Lock button
To lock the doors, liftgate, and
fuel-filler lid, press the lock button and
the hazard warning lights will flash
once.
(With the advanced keyless function)
A beep sound will be heard once.

To confirm that all the doors, liftgate,
and fuel-filler lid have been locked,
press the lock button again within 5
seconds. If they are closed and locked,
the horn will sound.
NOTE
The doors can be locked when the
lock button on the transmitter is
pressed while any door is open.
To prevent the transmitter from being
left in the vehicle, make sure that the
driver carries the transmitter when
locking the doors with any door
open.
When any door or the liftgate is open
and the lock button is pressed, the
closed doors can be locked. After
that, any other open door or the
liftgate can be locked by closing
them.
Confirm that all the doors, liftgate,
and fuel-filler lid are locked visually
or audibly by use of the double click.
Make sure all the doors, liftgate, and fuel-filler lid are locked after pressing
the button.
(With theft-deterrent system)
If the lock button is pressed with all
the doors and liftgate closed, the
hazard warning lights will flash and
the theft-deterrent system is armed.
Before Driving
Keys
*Some models.3-5
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Unlock button
To unlock the driver's door and the
fuel-filler lid, press the unlock button
and the hazard warning lights will flash
twice.
(With the advanced keyless function)
A beep sound will be heard twice.

To unlock the other doors and liftgate,
press the unlock button again within 5
seconds and two more beep sounds
will be heard.
NOTE
The system can be set to unlock all
the doors, liftgate, and fuel-filler lid
when pressing the unlock button
once.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(Auto re-lock function)
After unlocking with the key, all the
doors, liftgate, and fuel-filler lid will
automatically lock if any of the
following operations are not
performed within about 60 seconds.
If your vehicle has a theft-deterrent
system, the hazard warning lights willflash for confirmation.
The time required for the doors to
lock automatically can be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
A door or the liftgate is opened.The ignition is switched to any
position other than off.
(With theft-deterrent system)
When the doors are unlocked by
pressing the unlock button on the
key while the theft-deterrent system
is turned off, the hazard warning
lights will flash twice to indicate that
the system is turned off.
Before Driving
Keys
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Power liftgate button*
To open/close the liftgate, press the
power liftgate button for one second
or longer with the liftgate in the fully
closed/open position.
The hazard warning lights flash twice
and the liftgate opens/closes after the
beep sounds.
For details on the power liftgate
function, refer to Power Liftgate on
page 3-23.
Panic button
If you witness from a distance
someone attempting to break into or
damage your vehicle, press and hold
the panic button to activate the
vehicle's alarm. Call emergency
services if necessary.
NOTE
The panic button will work whether
any door or the liftgate is open or
closed.
(Turning on the alarm)
Pressing the panic button for 1 second
or more will trigger the alarm for about
2 minutes and 30 seconds, and the
following will occur:
The horn sounds intermittently.The hazard warning lights flash.
(Turning off the alarm)
The alarm stops by pressing any button
on the key.
Po we r s av i n g f u nc t io n
By turning on the transmitter power
saving function, the advanced keyless
entry
*1 system functions turn off and
the battery power consumption of the
transmitter is restricted.
The remote control function is
operational by operating the
transmitter switch even while the
power saving function is turned on.
However, the operation indicator light
of the transmitter does not turn on/
flash.
Turning on the power saving function
After you have turned on the power
saving function according to the
following procedure, the hazard
warning lights and sound operate
*1
one time.
1. Press the lock button on the transmitter 4 times within 3
seconds to turn on the operation
indicator light.
2. Press the lock button continuously for 1.5 seconds or longer while the
operation indicator light turns on
(for 5 seconds).
3. Press any of the buttons on the transmitter to make sure that the
operation indicator light does not
turn on/flash.
Before Driving
Keys
*Some models.3-7
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Turning off the power saving function
After you have turned off the power
saving function according to the
following procedure, the hazard
warning lights and sound operate
*1
one time.
1. Press any of the buttons on the transmitter to make sure that the
operation indicator light does not
turn on/flash.
2. Press the lock button on the transmitter 4 times within 3
seconds to turn on the operation
indicator light.
3. Press the lock button continuously for 1.5 seconds or longer while the
operation indicator light turns on
(for 5 seconds).
*1 With the advanced keyless function
▼Operational Range
The system operates only when the
driver is in the vehicle or within
operational range while the key is
being carried.
Starting the engine
NOTE
Starting the engine may be possible
even if the key is outside of the
vehicle and extremely close to a door
and window, however, always start
the engine from the driver's seat.
If the vehicle is started and the key is
not in the vehicle, the vehicle will not
restart after it is shut off and the
ignition is switched off.
The luggage compartment is out of
the assured operational range,
however, if the key (transmitter) is
operable the engine will start.
With the advanced keyless function

1. Interior antenna
2. Operational range

Without the advanced keyless
function

1. Interior antenna
2. Operational range

NOTE
The engine may not start if the key is
placed in the following areas:
Around the dashboardIn the storage compartments such as
the glove compartment or the center
console
Before Driving
Keys
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You pull the door handle just after
touching the sensing area of the
touch sensor.
The system may operate if the outer
side door handle of a front door is
splashed with water by a car wash or
rain while the transmitter is in the
operation range.
If the system does not operate even
though you touch the sensing area of
the touch sensor correctly, release
the touch sensor once, and then
touch the sensing area of the touch
sensor again after waiting about 3
seconds.
Locking
When locking , touch the sensing area
of the door lock touch sensor with all
of the following conditions met.
The ignition is switched OFF.All the doors are closed.You are carrying the transmitter.
The following locations are locked by
touching the sensing area of the door
lock touch sensor.
All doorsFuel-filler lidLiftgate
When locking , the hazard warning
lights and sound operate one time.
Unlocking
When unlocking , touch the sensing
area of the door release touch sensor
with all of the following conditions
met.
The ignition is switched OFF.The driver’s door is locked.Three seconds or longer have passed
since the doors were locked.
You are carrying the transmitter.
(Unlocking from the driver's door)
The following locations are unlocked
by touching the sensing area of the
door release touch sensor of the
driver's door.
Driver’s doorFuel-filler lid
NOTE
The location to be unlocked can be
changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
When unlocking, the hazard warning
lights and sound operate two times.

(Unlocking from the front passenger’s
door)
The following locations are unlocked
by touching the sensing area of the
door release touch sensor of the front
passenger's door.
All doorsFuel-filler lidLiftgate
When unlocking, the hazard warning
lights and sound operate two times.
Before Driving
Doors and Locks
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NOTE
Confirm that all the doors and
liftgate are securely locked.
For the liftgate, move it without
pressing the electric liftgate opener
to verify that the liftgate has not been
left ajar.
A beep sound is heard for confirmation when the doors,
fuel-filler lid, and liftgate are locked/
unlocked using the touch sensor. If
you prefer, the beep sound can be
turned off.
The volume of the beep sound can
also be changed. Refer to the
Settings section in the Mazda
Connect Owner's Manual.
(With theft-deterrent system)
The hazard warning lights flash when
the theft-deterrent system is armed
or turned off.
Refer to Theft-Deterrent System on
page 3-48.
The setting can be changed so that
the doors, fuel-filler lid, and liftgate
are locked automatically without
touching the sensing area of the
touch sensor.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(Walk-away auto lock function)
A beep sound is heard when all
doors and the liftgate are closed
while the transmitter is being carried.
All the doors, fuel-filler lid, and
liftgate are locked automatically
when the transmitter is out of the
operational range. Also, the hazard
warning lights flash once. (Even if the
driver is in the operational range, all
the doors, fuel-filler lid, and liftgate
are locked automatically after about
30 seconds.) If you are out of the
operational range before the doors
and the liftgate are completely
closed or another transmitter is left
in the vehicle, the walk-away auto
lock function will not work. Always
make sure that all doors and the
liftgate are closed and locked before
leaving the vehicle. The walk-away
auto lock function does not close the
power windows.
(Auto re-lock function)
After unlocking with the touch
sensor, all the doors , fuel-filler lid,
and liftgate will automatically lock if
any of the following operations are
not performed within about 60
seconds.
Opening a door or the liftgate.Switching the ignition to any
position other than off.
If your vehicle has a theft-deterrent
system, the hazard warning lights will flash for confirmation.
The time required for the doors to
lock automatically can be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
Before Driving
Doors and Locks
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After locking by pressing the
door-lock switch and when all the
doors are closed with the transmitter
left in the vehicle, all the doors,
liftgate, and fuel-filler lid are
unlocked.

Door-lock switch on liftgate (With the
advanced keyless function)
With power liftgate
All doors, fuel-filler lid, and the liftgate
can be locked by pressing the
door-lock switch.
In addition, the liftgate automatically
closes after locking.

Without power liftgate
All doors, fuel-filler lid, and the liftgate
can be locked by pressing the
door-lock switch.

With power liftgate
When locking using the door-lock
switch, press the door-lock switch with
all of the following conditions met. The
liftgate automatically closes after
locking.
You are carrying the transmitter.The ignition is switched OFF.All the doors are closed.The liftgate is not automatically
opening/closing.
The vehicle is stopped.
(With theft-deterrent system)
When locking, a beep sound operates
1 time.
In addition, before the liftgate closes,
the hazard warning lights operate 2
times and a long beep sound is
activated.
When the liftgate closes, the hazard
warning lights operate 1 time.

Before Driving
Doors and Locks
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