2021 MAZDA MODEL 3 HATCHBACK trunk

(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.
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 will fl ash for con firmation.
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/trunk lid 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 o ff.
Trunk button (4–door)
To open the trunk lid, press and hold
the trunk button until the trunk lid
opens.
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/trunk lid is
open or closed.
Before Driving
Keys
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(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.
Power saving function
By turning on the transmitter power
saving function, the advanced keyless
entry
*1 and push button start system
functions turn o ff 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/
fl ash.
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.
Tu r n i n g o ff 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/fl ash.
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 o
ff and the
ignition is switched o ff.
The luggage compartment/trunk is
out of the assured operational range,
however, if the key (transmitter) is
operable the engine will start.
Before Driving
Keys
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Advanced Keyless EntrySystem
*
▼Advanced Keyless Entry System
WARNING
Radio waves from the key may a
ffect
medical devices such as pacemakers:
Before using the key near people who
use medical devices, ask the medical
device manufacturer or your physician
if radio waves from the key will aff ect
the device.
The advanced keyless function allows
you to lock/unlock the door, liftgate,
and fuel- filler lid, or open the liftgate/
trunk lid while carrying the key.

System malfunctions or warnings are
indicated by the following warning
beeps.
Touch Sensor Inoperable Warning
Beep
Refer to Touch Sensor Inoperable
Warning Beep (With the advanced
keyless function) on page 7-44.
Liftgate Door-lock Switch Inoperable
Warning Beep
Refer to Liftgate Door-lock Switch
Inoperable Warning Beep (With the
advanced keyless function) on page
7-44.
Key Left-in-luggage Compartment/
Trunk Warning Beep
Refer to Key Left-in-luggage
Compartment/Trunk Warning Beep
(With the advanced keyless function)
on page 7-44.
Key Left-in-vehicle Warning Beep
Refer to Key Left-in-vehicle Warning
Beep (With the advanced keyless
function) on page 7-44.
NOTE
The advanced keyless entry system
functions can be deactivated to
prevent any possible adverse eff ect on
a user wearing a pacemaker or other
medical device. If the system is
deactivated, you will be unable to start
the engine by carrying the key. Consult
an Authorized Mazda Dealer for
details. If the advanced keyless entry
system has been deactivated, you can
start the engine by following the
procedure indicated when the key
battery goes dead.
Refer to Engine Start Function When
Key Battery is Dead on page 4-8.
Before Driving
Advanced Keyless Entry System
*Some models.3-9
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Door Locks
▼Door Locks
WARNING
Always take all children and pets with
you or leave a responsible person
with them:
Leaving a child or a pet unattended in
a parked vehicle is dangerous. In hot
weather, temperatures inside a vehicle
can become high enough to cause
brain damage or even death.
Do not leave the key in your vehicle
with children and keep them in a
place where your children will not
fi
nd or play with them:
Leaving children in a vehicle with the
key is dangerous. This could result in
someone being badly injured or even
killed.
Keep all doors locked when driving:
Unlocked doors in a moving vehicle
are dangerous. Passengers can fall out
if a door is accidentally opened and
can more easily be thrown out in an
accident.
Always close all the windows and
moonroof, lock the doors, fuel-filler
lid, and liftgate and take the key with
you when leaving your vehicle
unattended:
Leaving your vehicle unlocked is
dangerous as children could lock
themselves in a hot vehicle, which
could result in death. Also, a vehicle
left unlocked becomes an easy target
for thieves and intruders.
After closing the doors and the
liftgate/trunk lid, always verify that
they are securely closed:
Doors and the liftgate/trunk lid not
securely closed are dangerous, if the
vehicle is driven with a door and the
liftgate/trunk lid not securely closed,
the door and the liftgate/trunk lid
could open unexpectedly resulting in
an accident.
Always con firm the safety around the
vehicle before opening a door and the
liftgate/trunk lid:
Suddenly opening a door and the
liftgate/trunk lid is dangerous. A
passing vehicle or a pedestrian could
be hit and cause an accident.
CAUTION
 Always
confirm the conditions
around the vehicle before opening/
closing the doors and the liftgate/
trunk lid and use caution during
strong winds or when parked on an
incline. Not being aware of the
conditions around the vehicle is
dangerous because fingers could get
caught in the door and the liftgate/
trunk lid or a passing pedestrian
could be hit, resulting in an
unexpected accident or injury.
Before Driving
Doors and Locks
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NOTE
Always stop the engine and lock the
doors. In addition, to prevent theft of
valuables, do not leave them inside
the cabin.
If the key is left in the following areas
and you leave the vehicle, the doors
may be locked depending on the
radio wave conditions even if the key
is left in the vehicle.
Around the dashboardIn the storage compartments such
as the glove compartment or the
center console
On the rear parcel shelf (4–door)Next to a communication device
such as a mobile phone
When the ignition is switched to
ACC or ON, the vehicle lock-out
prevention feature prevents you from
locking yourself out of the vehicle.
All doors, fuel-filler lid, and liftgate
will automatically unlock if they are
locked using the power door locks
with any door or the liftgate open.
The vehicle lock-out prevention
feature does not operate while the
ignition is switched o ff.
When all doors, fuel-filler lid, and
liftgate are locked using the power
door lock with any door or the
liftgate/trunk lid open, the closed
doors, fuel- filler lid, and liftgate are
locked. After that, when all doors
and the liftgate/trunk lid are closed,
all doors and the liftgate/trunk lid
are locked. However, if the key is
inside the vehicle, all doors,
fuel- filler lid, and liftgate are
automatically unlocked.
(With the advanced keyless
function)
The beep sound is heard for about
10 seconds to notify the driver that
the key has been left in the vehicle.
(Without the advanced keyless
function)
The horn sound is heard twice to
notify the driver that the key has
been left in the vehicle.
(Door unlock (control) system with
collision detection)
This system automatically unlocks the
doors, fuel-filler lid, and liftgate in
the event the vehicle is involved in an
accident to allow passengers to get
out of the vehicle immediately and
prevent being trapped inside. While
the ignition is switched ON and in
the event the vehicle receives an
impact strong enough to in flate the
air bags, all the doors, fuel- filler lid,
and liftgate are automatically
unlocked after about 6 seconds have
elapsed from the time of the
accident.
The doors, fuel-filler lid, and liftgate
may not unlock depending on how
an impact is applied, the force of the
impact, and other conditions of the
accident.
If door-related systems or the battery
is malfunctioning, the doors, fuel- filler lid, and liftgate may not
unlock depending on your vehicle
type.
Before Driving
Doors and Locks
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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.
NOTE
Con firm that all the doors and
liftgate/trunk lid are securely locked.
For the liftgate/trunk lid, move it
without pressing the electric liftgate/
trunk lid opener to verify that the
liftgate/trunk lid has not been left
ajar.
Before Driving
Doors and Locks
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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 o ff.
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 o ff.
Refer to Theft-Deterrent System on
page 3-42.
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/trunk lid 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/trunk lid 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/trunk lid are
closed and locked before leaving the
vehicle. The walk-away auto lock
function does not close the power
windows.
Before Driving
Doors and Locks
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(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/
trunk lid.
Switching the ignition to any
position other than off.
If your vehicle has a theft-deterrent
system, the hazard warning lights will fl ash for con firmation.
The time required for the doors to
lock automatically can be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
▼ Locking, Unlocking with
Tra n s m i t te r
The following locations can be locked/
unlocked by operating the keyless
entry system transmitter. Refer to
Keyless Entry System (page 3-4).
All doorsFuel-
filler lidLiftgate
▼Locking, Unlocking with
Door-Lock Switch
Door-lock switch on driver’s and front
passenger's door
The following locations are locked/
unlocked by pressing the door-lock
switch.
All doorsFuel-
filler lidLiftgate
Driver's door
1. Unlock
2. Lock
Front passenger's door
1. Unlock
2. Lock
Locking from the outside using the
door-lock switch
When locking from the outside using
the door-lock switch, press the lock
side of the door-lock switch with all of
the following conditions met and then
close all the doors.
The ignition is switched OFF.Any door is open.
Before Driving
Doors and Locks
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