keyless entry MAZDA MODEL CX-3 2021 Owners Manual

3Before Driving
Use of various features, including keys, doors, mirrors and windows.
Keys.................................................... 3-2 Keys.............................................. 3-2
Keyless Entry System................... 3-4
Advanced Keyless Entry
System.................................................3-9 Advanced Keyless Entry System
*.....
...................................................... 3-9
Operational Range...................... 3-10
Doors and Locks.............................. 3-11 Door Locks................................. 3-11
Liftgate....................................... 3-19
Fuel and Emission........................... 3-23 Fuel and Engine Exhaust
Precautions................................. 3-23
Fuel-Filler Lid and Cap.............. 3-26
Mirrors............................................. 3-28 Mirrors........................................ 3-28
Windows........................................... 3-30 Power Windows..........................3-30
Moonroof*.................................. 3-33
Security System............................... 3-36 Modification and Add-On
Equipment...................................3-36
Immobilizer System....................3-36
Theft-Deterrent System
*.............3-38
Driving Tips..................................... 3-40 Break-In Period.......................... 3-40
Saving Fuel and Protection of the
Environment............................... 3-40
Hazardous Driving.... ..................3-41
Floor Mat.................................... 3-41
Rocking the Vehicle....................3-42
Winter Driving............................3-42
Driving In Flooded Area............ 3-44
Overloading................................ 3-45
Driving on Uneven Road............ 3-46
Towing.............................................. 3-47 Trailer Towing............................ 3-47
Recreational Towing................... 3-47
*Some models.3-1
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Keyless Entry System
This system uses the key buttons to
remotely lock and unlock the doors and
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.
KEY Warning Light (Red)
Refer to Contact Authorized Mazda
Dealer and Have Vehicle Inspected on
page 7-29.
Refer to Taking Action on page 7-33.
Ignition Not Switched Off (STOP)
Warning Beep
Refer to Ignition Not Switched Off
(STOP) Warning Beep on page 7-43.
Key Removed from Vehicle Warning
Beep
Refer to Key Removed from Vehicle
Warning Beep on page 7-43.
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 (door/liftgate lock/unlock)
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
6-34).
Battery life is about 1 year. Replace the
battery with a new one if the KEY
indicator light (green) flashes in the
instrument cluster. Replacing the battery
about once a year is recommended
because the KEY warning light/
indicator light may not illuminate or
flash depending on the rate of battery
depletion.
Before Driving
Keys
3-4
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After unlocking with the key, all doors
and the liftgate 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.
The time required for the doors to lock
automatically can be changed.
Refer to Personalization Features on
page 9-9.
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.
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
longer 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 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 butt on 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.
Turning off the power saving function
After you have turned off the power
saving function according to the following
Before Driving
Keys
3-7
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Advanced Keyless EntrySystem
*
WARNING
Radio waves from the key may affect
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 affect the device.
The advanced keyless function allows you
to lock/unlock the door and the liftgate, or
open the liftgate wh ile carrying the key.

System malfunctions or warnings are
indicated by the foll owing warning beeps.
Request switch Inoperable Warning
Beep
Refer to Request Switch Inoperable
Warning Beep (With the advanced
keyless function) on page 7-44.
Key Left-in-luggage Compartment
Warning Beep
Refer to Key Left-in-luggage
Compartment 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 effect 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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Operational Range
The system operates only when the driver
is in the vehicle or within operational
range while the key is being carried.
NOTE
When the battery power is low, or in
places where there are high-intensity radio
waves or noise, the operational range may
become narrower or the system may not
operate. For determining battery
replacement, Refer to Keyless Entry
System on page 3-4.
▼Locking, Unlocking the Doors and
the Liftgate
Exterior antenna
Operational range80 cm (31in)
80 cm (31in)Lock
Exterior antenna
Operational range80 cm (31in)
80 cm (31in)Unlock
NOTE
The system may not operate if you are
too close to the windows or door
handles, or liftgate.
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 th
e key is left in the
vehicle.
Around the dashboard
In the storage compartments such as
the glove compartment or the center
console
Next to a communication device such
as a mobile phone
▼ Opening the Liftgate
Exterior antenna
80 cm(31in)
Operational range
Before Driving
Advanced Keyless Entry System
3-10
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The hazard warning lights flash when
the theft-deterrent system is armed or
turned off.
Refer to Theft-Deterrent System on page
3-38.
The setting can be changed so that the
doors and the liftgate are locked
automatically without pressing the
request switch.
Refer to Personalization Features on
page 9-9.
(Walk-away auto lock function)
A beep sound is heard when all doors
and the liftgate are closed while the
advanced key is being carried. All doors
and the liftgate are locked automatically
after about three seconds when the
advanced key is out of the operational
range. Also, the hazard warning lights
flash once. (Even if the driver is in the
operational range, all doors and the
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 key 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 request switch,
all doors and the liftgate 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.
The time required for the doors to lock
automatically can be changed.
Refer to Personalization Features on
page 9-9.
Opening a door or the liftgate.
Switching the igniti on to any position
other than off.
▼ Locking, Unlocking with
Transmitter
All doors and the liftgate can be locked/
unlocked by operating the keyless entry
system transmitter, refer to Keyless Entry
System (page 3-4).
▼Locking, Unlocking with Door-Lock
Switch
All doors and the liftgate lock
automatically when the lock side is
pressed. They unlock when the unlock
side is pressed.
Driver's door
Lock
Unlock
Before Driving
Doors and Locks
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Theft-Deterrent System*
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.

The system will not function unless it's
properly armed. So when you leave the
vehicle, follow the arming procedure
correctly.
▼ Operation
System triggering conditions
The horn sounds intermittently and the
hazard warning lights flash for about 30
seconds when the system is triggered by
any one of the following:
Unlocking a door with
the auxiliary key,
door lock switch, or an inside door-lock
knob.
Forcing open a door, the hood or the
liftgate.
Opening the hood by operating the hood
release handle.
Switching the ignition ON without using
the push button start.
If the system is triggered again, the lights
and horn will activate until the driver's
door or the liftgate is unlocked with the
transmitter.
(With the advanced keyless function)
The lights and horn can also be
deactivated by pressing the request switch
on a door.
NOTE
The liftgate does not open while the
theft-deterrent system is operating.
If the battery goes dead while the
theft-deterrent system is armed, the horn
will activate and the hazard warning
lights will flash wh en the battery is
charged or replaced.
▼ How to Arm the System
1. Close the windows and the moonroof*
securely.
2. Switch the ignition OFF.
3. Make sure the hood, the doors, and the liftgate are closed.
4. Press the lock button on the transmitter or lock the driver's door from the
outside with the auxiliary key.
The hazard warning lights will flash
once.
The following method will also arm
the theft-deterrent system:
Press the door-lock switch “
” while
any door is open and then close all of
the doors.
(With the advanced keyless function)
Press a request switch.

The security indicator light in the
instrument cluster flashes twice per
second for 20 seconds.
5. After 20 seconds, the system is fully armed.
Before Driving
Security System
3-38*Some models.
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Ignition Switch
▼Push Button Start Positions
The system operates only when the driver
is in the vehicle or within operational
range while the key is being carried.
Each time the push button start is pressed,
the ignition switches in the order of off,
ACC, and ON. Pressing the push button
start again from ON switches the ignition
off.
Push button start Indicator light
NOTE
The engine starts by pressing the push
button start while depressing the clutch
pedal (manual transaxle) or the brake
pedal (automatic transaxle). To switch
the ignition position, press the push
button start without depressing the
pedal.
Do not leave the ignition switched ON
while the engine is not running. Doing
so could result in the battery going
dead. If the ignition is left in ACC (For
automatic transaxle, the selector lever is
in the P position, and the ignition is in
ACC), the ignition switches off
automatically after about 25 minutes.
Off
The power supply to electrical devices
turns off and the push button start
indicator light (amber) also turns off.
WA R N I N G
Before leaving the driver's seat, always
switch the ignition
off, set the parking
brake, and make sure the selector lever is in
P (automatic transaxle) or in 1st gear or R
(manual transaxle):
Leaving the driver's seat without switching
the ignition off, setting the parking brake,
and shifting the selector lever to P
(automatic transaxle) or to 1st gear or R
(manual transaxle) is dangerous.
Unexpected vehicle movement could occur
which could result in an accident.
In addition, if your intention is to leave the
vehicle for even a short period, it is
important to switch the ignition off, as
leaving it in another position will disable
some of the vehicle's security systems and
run the battery down.
ACC (Accessory)
Some electrical accessories will operate
and the indicator light (amber) illuminates.
NOTE
The keyless entry system does not function
while the push button start has been
pressed to ACC, and the doors will not
lock/unlock even if they have been locked
manually.
ON
This is the normal running position after
the engine is started. The indicator light
(amber) turns off. (The indicator light
When Driving
Start/Stop Engine
4-4
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SignalWarning
(Red)
(Turns on)
KEY Warning Light If any malfunction occurs in the keyless
entry system, it illuminates continuously.
CAUTION
If the key warning indicator light illuminates or the push button start indicator light (amber)
flashes, the engine may not start. If the engine cannot be started, try starting it using the
emergency operation for starting the engine, and have the vehicle inspected at an Author‐
ized Mazda Dealer as soon as possible.
Refer to Emergency Operation for Starting the Engine on page 4-9.
Security Indicator Light If the engine does not start with the correct ke
y, and the security indicator light remains
illuminated or flashing, try the following:
Make sure the key is within the operational range for signal transmission. Switch the igni‐
tion off, and then restart the en gine. If the engine does not start after 3 or more tries, con‐
tact an Authorized Mazda Dealer.
(Amber)
High Beam Control System (HBC)
Wa r n i n g L i g h t
*
The light remains turned on if there is a pr oblem with the system. Have your vehicle in ‐
spected at an Authorized Mazda Dealer.
NOTE
If the Forward Sensing Camera (FSC) field of view is impaired during bad weather condi ‐
tions (such as rain, fog, and snow) and when the windshield is dirty, the warning indica‐
tion/warning light for the High Beam Contro l System (HBC) may display/turn on. Howev‐
er, this does not indicate a problem.
(Turns on)
Lane Departure
Wa r n i n g S y s t e m
(LDWS) Warning
Light
*
The warning light remains turn ed on if there is a problem with the system. Have your
vehicle inspected at an Authorized Mazda Dealer.
The LDWS does not operate when the warning light illuminates.
CAUTION
A problem in the system may be indicated un der the following conditions. Have your ve‐
hicle inspected at an Authorized Mazda Dealer.
 When the light remains turned on while driving the vehicle.
When the system is canceled automatically, the light turns on. Normally, the system
restores automatically and the light turns off , however, if the light remains turned on,
there may be a problem with the system.
 The light does not illuminate when the ignition is switched ON.
 Always use tires for all wheels that are of the
specified size, and the same manufacture,
brand, and tread pattern. In addition, do no t use tires with significantly different wear
patterns on the same vehicle. If such improper tires are used, the LDWS may not operate
normally.
 When an emergency spare tire is used, the system may not operate normally.
NOTE
If the windshield area in fr ont of the Forward Sensing Camera (FSC) is fogged or ob ‐
structed, the light turns on temporarily. If the light remains turned on, there may be a
problem with the system.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-32*Some models.
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NOTE
To allow the front passenger occupant
classification sensor to function
properly, do not place and sit on an
additional seat cushion on the front
passenger's seat. The sensor may not
function properly because the additional
seat cushion could cause sensor
interference.
If a small child is seated on the front
passenger's seat, the warning beep may
not operate.
Mexico
If the vehicle speed exceeds about 20
km/h (12 mph) with the driver or front
passenger's seat belt unfastened, a warning
beep sounds continuously. If the seat belt
remains unfastened, the beep sound stops
once and then cont inues for about 90
seconds. The beep stops after the driver or
front passenger's seat belt is fastened.
Until a seat belt is fastened or a given
period of time has elapsed, the beep sound
will not stop even if the vehicle speed falls
below 20 km/h (12 mph).
NOTE
Placing heavy items on the front
passenger's seat may cause the front
passenger's seat belt warning function
to operate depending on the weight of
the item.
To allow the front passenger seat weight
sensor to function properly, do not place
and sit on an additional seat cushion on
the front passenger's seat. The sensor
may not function properly because the
additional seat cushion could cause
sensor interference.
If a small child is seated on the front
passenger's seat, the warning beep may
not operate.
▼ Ignition Not Switched Off (STOP)
Warning Beep
If the driver's door is opened with the
ignition switched to ACC, a beep will be
heard continuously in the cabin to notify
the driver that the ignition has not been
switched OFF (STOP). Under this
condition, the keyless entry system will
not operate, the vehicle cannot be locked,
and the battery voltage will be depleted.
▼Key Removed from Vehicle Warning
Beep
Vehicles with advanced keyless function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, the beep which
sounds outside of the vehicle will be heard
6 times, the beep which sounds inside the
vehicle will be
heard 6 times.
Vehicles without advanced keyless
function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, a beep will be heard
in the cabin 6 times.
NOTE
Because the key utilizes low-intensity
radio waves, the Key Removed From
Vehicle Warning may activate if the key is
carried together with a metal object or it
is placed in a poor si gnal reception area.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-43
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