2021 MAZDA MODEL CX-3 hood open

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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NOTE
The theft-deterrent system can also be
armed by activating the auto relock
function with all the doors, the liftgate
and the hood closed.
Refer to Transmitter on page 3-5.
The system will disarm if one of the
following operations takes place within
20 seconds after pressing the lock
button:
Unlocking any door.
Opening any door.
Opening the hood.
Switching the ignition ON.
(With the advanced keyless function)
Pressing the electric liftgate opener
while the key is being carried.
To rearm the system, do the arming
procedure again.
When the doors are locked by pressing
the lock button on the transmitter or
using the auxiliary key while the
theft-deterrent system is armed, the
hazard warning lights will flash once to
indicate that the system is armed.
▼ To Tu r n O f f a n A r m e d S y s t e m
An armed system can be turned off using
any one of the following methods:
Pressing the unlock button on the
transmitter.
Starting the engine with the push button
start.
(With the advanced keyless function)
Pressing a request switch on the
doors.
The hazard warning lights will flash twice.
NOTE
When the doors are unlocked by pressing
the unlock button on the transmitter while
the theft-deterrent system is turned off, the
hazard warning lights will flash twice to
indicate that the system is turned off.
▼ To S t o p t h e A l a r m
A triggered alarm can be turned off using
any one of the following methods:
Pressing the unlock button on the
transmitter.
Starting the engine with the push button
start.
(With the advanced keyless function)
Pressing a request switch on the
doors.
Pressing the electric liftgate opener
while the key is being carried.
The hazard warning lights will flash twice.
Before Driving
Security System
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Operating Tips
Operate the climate control system with
the engine running.
To prevent the battery from being
discharged, do not leave the fan control
dial on for a long period of time with the
ignition switched ON when the engine is
not running.
Clear all obstructions such as leaves,
snow and ice from the hood and the air
inlet in the cowl grille to improve the
system efficiency.
Use the climate control system to defog
the windows and dehumidify the air.
The recirculate mode should be used
when driving through tunnels or while
in a traffic jam, or when you would like
to shut off outside air for quick cooling
of the interior.
Use the outside air position for
ventilation or windshield defrosting.
If the vehicle has been parked in direct
sunlight during hot weather, open the
windows to let warm air escape, then
run the climate control system.
Run the air conditioner about 10
minutes at least once a month to keep
internal parts lubricated.
Have the air conditioner checked before
the weather gets hot. Lack of refrigerant
may make the air conditioner less
efficient.
The refrigerant specifications are
indicated on a label attached to the
inside of the engine compartment. If the
wrong type of refrigerant is used, it
could result in a serious malfunction of
the air conditioner. Consult a
professional, government certified
repairer for the inspection or repair
because a special device is required for
the air conditioner maintenance.
For details, consult an Authorized
Mazda Dealer.
Label
Interior Features
Climate Control System
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Hood
WARNING
Always check that the hood is closed and
securely locked:
A hood that is not closed and securely
locked is dangerous as it could fly open
while the vehicle is moving and block the
driver's vision which could result in a
serious accident.
▼Opening the Hood
1. With the vehicle parked, pull the
release handle to unlock the hood.

Release handle
2. Insert your hand into the hood
opening, slide the latch lever to the
right, and lift up the hood.

Lever
NOTE
The lever is located a little to the left of
center when facing the vehicle.
3. Grasp the support rod in the padded area and secure it in the support rod
hole indicated by the arrow to hold the
hood open.

Pad
Clip Clip
▼Closing the Hood
1. Check under the hood area to make
certain all filler caps are in place and
all loose items (e.g. tools, oil
containers, etc.) have been removed.
Maintenance and Care
Owner Maintenance
6-19
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Inspect fluid level in the washer fluid
reservoir; add fluid if necessary.
E

Use plain water if washer fluid is
unavailable.
But use only washer fluid in cold weather
to prevent it from freezing.
NOTE
Front and rear washer fluid is supplied
from the same reservoir.
Body Lubrication
All moving points of the body, such as
door and hood hinges and locks, should be
lubricated each time the engine oil is
changed. Use a nonfreezing lubricant on
locks during cold weather.

Make sure the hood's secondary latch
keeps the hood from opening when the
primary latch is released.
Maintenance and Care
Owner Maintenance
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Overheating
If the high engine coolant temperature
warning light turns on, the vehicle loses
power, or you hear a loud knocking or
pinging noise, the engine is probably too
hot.
WARNING
Pull over to a safe location, then switch
the ignition off and make sure the fan is
not running before attempting to work
near the cooling fan:
Working near the cooling fan when it is
running is dangerous. The fan could
continue running indefinitely even if the
engine has stopped and the engine
compartment temperature is high. You
could be hit by the fan and seriously
injured.
Do not remove either cooling
system cap when the engine and radiator
are hot:
When the engine and radiator are hot,
scalding coolant and steam may shoot out
under pressure and cause serious injury.
Open the hood ONLY after steam is no
longer escaping from the engine:
Steam from an overheated engine is
dangerous. The escaping steam could
seriously burn you.
If the high engine coolant temperature
warning light turns on:

1. Drive safely to the side of the road and park off the right-of-way.
2. Put a vehicle with an automatic transaxle in park (P), a manual
transaxle in neutral.
3. Apply the parking brake.
4. Turn off the air conditioner.
5. Check whether coolant or steam is
escaping from the engine
compartment.

If steam is coming from the engine
compartment:
Do not go near the front of the vehicle.
Stop the engine.
Wait until the steam dissipates, then
open the hood and start the engine.

If neither coolant nor steam is
escaping:
Open the hood and idle the engine
until it cools.
CAUTION
If the cooling fan does not operate
while the engine is running, the engine
temperature will increase. Stop the
engine and call an Authorized Mazda
Dealer.
6. Make sure the cooling fan is operating, then turn off the engine after the
temperature has decreased.
7. When cool, check the coolant level.
If Trouble Arises
Overheating
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Index
Traffic Sign Recognition System
(TSR)........................................... 4-93
i-ACTIV AWD Operation.................4-73
J
Jack...................................................... 7-5
Jump-Starting.................................... 7-17
K
Keyless Entry System......................... 3-4
Keys.....................................................3-2
Key suspend function.................... 3-8
Transmitter..................................... 3-5
Key left-in-luggage compartment
warning beep (With the advanced keyless
function)............................................ 7-44
Key left-in-vehicle warning beep (With
the advanced keyless function)......... 7-44
Key removed from vehicle warning
beep................................................... 7-43
Key Suspend Function........................ 3-8
L
Label Information............................... 9-2
Lane Departure Warning sound........ 7-45
Lane Departure Warning System
(LDWS)............................................. 4-82 LDWS switch.............................. 4-84
Lane-Change Signals........................ 4-47
Leaving Home Light......................... 4-45
Liftgate.............................................. 3-19 Luggage compartmen t................. 3-21
When Liftgate Cannot be
Opened......................................... 7-47
Lighting Control................................4-40
Lights-on reminder............................7-42
Light Bulbs Replacement................................ 6-40
Specifications.................................9-6
Lubricant Quality................................ 9-4
Luggage Compartment Light.......... 5-142
M
Maintenance Information.................................... 6-2
Scheduled.......................................6-4
Maintenance Monitor........................ 6-14
Manual Transaxle Operation............. 4-27
Map Lights...................................... 5-142
Mazda Radar Cruise Control with Stop &
Go function (MRCC with Stop & Go
function).......................................... 4-104 Close proximity warning........... 4-106
Cruise control func tion.............. 4-113
Display indication......................4-106
Setting the system..................... 4-107
Stop hold control....................... 4-112
Mazda Radar Cruise Control with Stop &
Go function (MRCC with Stop & Go
function) System Warnings............... 7-45
Message Indicated on Display.......... 7-40
Meters and Gauges............................4-11
Mirrors Outside mirrors............................ 3-28
Rearview mirror.......................... 3-29
Mirror Defogger.......... ...................... 4-53
Moonroof...........................................3-33
O
Odometer and Trip Meter................. 4-12
Outside Mirrors................................. 3-28
Outside Temperature Display............4-15
Overhead Console..... ...................... 5-147
Overhead Lights......... ..................... 5-142
Overheating....................................... 7-21
Overloading....................................... 3-45
Owner Maintenance Closing the Hood.........................6-19
Engine Compartment
Overview..................................... 6-21
10-6
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Index
Key battery replacement..............6-34
Opening the Hood....................... 6-19
Owner Maintenance
Precautions...................................6-17
P
Parking Brake....................................4-55
Personalization Features..................... 9-9
Power Steering.................................. 4-74
Power steering warning buzzer......... 7-44
Power Windows............. ................... 3-30
R
Radar Sensors (Rear)...................... 4-134
Radar Sensor (Front).......................4-131
Rearview Mirror........ ........................3-29
Rear Coat Hooks............................. 5-150
Rear Cross Traffic Alert (RCTA).... 4-101
Rear Door Child Safe ty Locks.......... 3-19
Rear Seat........................................... 2-14
Rear View Monitor......................... 4-144 Displayable range on the
screen......................................... 4-146
Picture quality adju stment......... 4-150
Rear view monitor operation..... 4-147
Rear view parking camera
location...................................... 4-145
Switching to the rear view monitor
display........................................4-145
Variance between actual road
conditions and displayed
Image......................................... 4-149
Viewing the display................... 4-147
Rear Window Defogger .................... 4-52
Rear Window Washer....................... 4-51
Rear Window Wiper.... ..................... 4-51
Recommended Oil.............................6-22
Recording of Vehicle Data................ 8-22
Recreational Towing......................... 3-47
Registering Your Vehicle in A Foreign
Country.............................................. 8-18
Replacement Fuse..............................................6-47
Key battery.................................. 6-34
Light Bulbs.................................. 6-40
Tires............................................. 6-38
Wheel........................................... 6-39
Wiper........................................... 6-29
Request switch inoperable warning beep
(With the advanced keyless
function)............................................ 7-44
Rocking the Vehicle.......................... 3-42
S
Safety Defects, Reporting................. 8-14
Saving Fuel and Protection of the
Environment...................................... 3-40
Scheduled Maintenance...................... 6-4
Seats.................................................... 2-5
Driver's seat................................... 2-5
Driving position memory............ 2-10
Front passenger's seat.................. 2-13
Front seat....................................... 2-5
Head restraint.............................. 2-17
Rear seat...................................... 2-14
Seat warmer................................. 2-19
Seat Belt System Automatic locking....................... 2-23
Emergency locking...................... 2-23
Extender....................................... 2-28
Pregnant women.......................... 2-22
Seat belt precautions................... 2-21
Seat belt warning beep...................... 7-42
Security System Immobilizer system..................... 3-36
Theft-deterrent system................. 3-38
Smart Brake Support (SBS)............ 4-123 Collision warning...................... 4-125
10-7
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