Get Before Driving -> Keys Guide for Mazda 3 4 Door Fourth Generation (2019-2026)

Before Driving

Keys

To avoid damage to the key

(transmitter), DO NOT:

Keys

▼

Drop the key (transmitter).

Get the key (transmitter) wet.

Disassemble the key (transmitter).

Expose the key (transmitter) to

high temperatures on places such

as the dashboard, under direct

sunlight.

Expose the key (transmitter) to any

kind of magnetic ﬁeld.

Place heavy objects on the key

(transmitter).

WARNING

Do not leave the key in your vehicle

with children and keep them in a

place where your children will not

ﬁnd 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. Children may ﬁnd these keys to

be an interesting toy to play with and

could cause the power windows or

other controls to operate, or even

make the vehicle move.

Put the key (transmitter) in an

ultrasonic cleaner.

Put any magnetized objects close

to the key (transmitter).

NOTE

CAUTION



The driver must carry the key

(transmitter) to ensure the system

functions properly.

Because the key (transmitter) uses

low-intensity radio waves, it may not

function correctly under the

following conditions:



If the key (transmitter) does not

function normally, make sure that the

power saving function of the key

(transmitter) is not on. If it is on,

switch the function to oꢀ.

The key (transmitter) is carried with

communication devices such as

cellular phones.

The key (transmitter) contacts or is

covered by a metal object.

The key (transmitter) is near

electronic devices such as personal

computers.

Refer to Transmitter on page 3-5.

Transmitter

Non-Mazda genuine electronic

equipment is installed in the

vehicle.

There is equipment which

discharges radio waves near the

vehicle.

The key (transmitter) may consume

battery power excessively if it

receives high-intensity radio waves.

Do not place the key (transmitter)

near electronic devices such as

televisions or personal computers.

3-2

Before Driving

Keys

1. Transmitter (page 3-5)

Installing the auxiliary key

1. Install the auxiliary key as the

illustration.

Auxiliary key

There is a removable auxiliary key

inside the transmitter.

Removing the auxiliary key

1. Remove the lower cover while

sliding the knob in the direction of

the arrow.

2. Insert the tabs of the lower cover

into the slots of the transmitter and

install the lower cover.

2. Remove the auxiliary key.

Key code number plate

A code number is stamped on the

plate attached to the key set; detach

this plate and store it in a safe place

(not in the vehicle) for use if you need

to make a replacement key (auxiliary

key).

Also write down the code number and

keep it in a separate safe and

convenient place, but not in the

vehicle.

If your key (auxiliary key) is lost, consult

an Authorized Mazda Dealer and have

your code number ready.

1. Key code number plate

3-3

Before Driving

Keys

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.

Keyless Entry System

▼

This system uses the key buttons to

remotely lock and unlock the doors,

liftgate, and fuel-ﬁller lid, and opens

the trunk lid.

The system can start the engine

without having to take the key out of

your purse or pocket.

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.

It can also help you signal for attention

or help.

Operating the theft-deterrent system is

also possible on theft-deterrent

system-equipped vehicles.

NOTE



The keyless entry system operation

may vary due to local conditions.

The keyless entry system is fully



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.

operational when the ignition is

switched oꢀ. The system does not

operate if the ignition is switched to

any position other than oꢀ.



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



KEY Warning Indication/Warning

Light (Red)

Replacement (page 6-30).

Battery life is about 1 year. Replace

Refer to KEY Warning Indication/

Warning Light (Red) on page 7-34.

Ignition Not Switched Oꢀ (STOP)



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.



Warning Beep

Refer to Ignition Not Switched Oꢀ

(STOP) Warning Beep on page

7-44.



Key Removed from Vehicle Warning

Beep

Refer to Key Removed from Vehicle

Warning Beep on page 7-44.



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.

If you have a problem with the key,

consult an Authorized Mazda Dealer.

3-4

Before Driving

Keys



(With the advanced keyless

Transmitter

▼

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 oꢀ.

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.

1. Operation indicator light

2. Lock button ( )

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.

3. Unlock button ( )

4. Trunk button (4–door) ( )

5. Panic button ( )

NOTE



The headlights turn on/oꢀ by

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.

operating the transmitter. Refer to

Leaving Home Light on page 4-61.

(With theft-deterrent system)

The hazard warning lights ﬂash when

the theft-deterrent system is armed

or turned oꢀ.



Refer to Theft-Deterrent System on

page 3-44.

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/trunk

lid is open and the lock button is

pressed, the closed doors can be

locked. After that, any other open

door or the liftgate/trunk lid can be

locked by closing them.

3-5

Before Driving

Keys



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.

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 oꢀ.



(With theft-deterrent system)



(With theft-deterrent system)

When the doors are unlocked by

pressing the unlock button on the

key while the theft-deterrent system

is turned oꢀ, the hazard warning

lights will ﬂash twice to indicate that

the system is turned oꢀ.

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.

Trunk button (4–door)

To open the trunk lid, press and hold

the trunk button until the trunk lid

opens.

To unlock the other doors and liftgate,

press the unlock button again within 5

seconds and two more beep sounds

will be heard.

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 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

ﬂash for conﬁrmation.

NOTE

The panic button will work whether

any door or the liftgate/trunk lid is

open or closed.

The time required for the doors to

lock automatically can be changed.

3-6

Before Driving

Keys

(Turning on the alarm)

Turning oꢀ the power saving function

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:

After you have turned oꢀ the power

saving function according to the

following procedure, the hazard

*1

warning lights and sound operate

one time.



The horn sounds intermittently.

The hazard warning lights ﬂash.

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.



(Turning oꢀ 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 system functions turn oꢀ and

the battery power consumption of the

transmitter is restricted.

3. Press the lock button continuously

for 1.5 seconds or longer while the

operation indicator light turns on

*1

(for 5 seconds).

With the advanced keyless function

*

1

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.

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

Turning on the power saving function

After you have turned on the power

saving function according to the

following procedure, the hazard



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 oꢀ and the

ignition is switched oꢀ.

*1

warning lights and sound operate

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.



The luggage compartment/trunk is

out of the assured operational range,

however, if the key (transmitter) is

operable the engine will start.

3-7

Before Driving

Keys

With the advanced keyless function

Key Suspend Function

▼

If a key is left in the vehicle, the

functions of the key left in the vehicle

are temporarily suspended to prevent

theft of the vehicle.

To restore the functions, press the

unlock button on the

functions-suspended key in the

vehicle.

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

On the rear parcel shelf (4–door)



3-8

Before Driving -> Keys for Your Mazda 3 4 Door Fourth Generation (2019-2026)

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