2021 MAZDA MODEL 3 HATCHBACK warning

A/C switch
Pressing the A/C switch while the
AUTO switch is turned on will turn off
the air conditioner (cooling/
dehumidifying functions).
The on/off of the air conditioner
switches each time the A/C switch is
pressed.
NOTE
The air conditioner operates when
the A/C switch is pressed while the
air conditioner is turned o ff.
The air conditione r may not function
when the outside temperature
approaches 0 °C (32 °F).
Air intake selector switch
Outside or recircu lated air positions
can be selected. Press the switch to
select outside/recirculated air
positions.
Recirculated air position (
)
Outside air is shut o ff. Use this position
when going through tunnels, driving in
congested tra ffic (high engine exhaust
areas) or when quick cooling is
desired.
Outside air position (
)
Outside air is allowed to enter the
cabin. Use this mode for ventilation or
windshield defrosting.
WARNING
Do not recirculate the air in the cabin
during cold or rainy weather:
Recirculating the air in the cabin during
cold and rainy weather is dangerous as
it will cause the windows to fog up.
Your vision will be hampered, which
could lead to a serious accident.
SYNC (Synchronized Temperature)
switch
Use the SYNC switch to change the
mode between the individual
operation (driver and passenger) and
interconnection (simultaneous)
modes.
Interconnection mode (indicator light
turns on)
The set temperature for the driver and
front passenger is controlled
simultaneously.
Individual operation mode (indicator
light turns off)
The set temperature can be controlled
individually for the driver and front
passenger.
Windshield defroster switch
Press the switch to defrost the
windshield and front door windows.
Refer to Windshield Defrosting and
Defogging on page 5-13.
Rear window defogger switch
Press the rear window defogger switch
to defrost the rear window.
Refer to Rear Window Defogger on
page 4-58.
Interior Features
Climate Control System
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▼Operation of Automatic Air
Conditioner
1. Press the AUTO switch. Selection of
the airflow mode, air intake
selector and amount of air flow will
be automatically controlled.
2. Use the temperature control dial to select a desired temperature.
If you want to set the temperature
on the front passenger's side
separately from the driver's side,
turn the front passenger
temperature control dial to switch
the mode automatically to the
individual operation mode and set
the temperature for the front
passenger's side.
To t u r n o ff the system, press the power
switch.
NOTE
Set the control dial to the
recommended temperature of 22 °C
(72 °F), and then adjust it as desired.
Setting the temperature to maximum
hot or cold will not provide the
desired temperature at a faster rate.
When selecting heat, the system will
restrict air flow until the engine has
warmed to prevent cold air from
blowing out of the vents.
▼ Windshield Defrosting and
Defogging
Press the windshield defroster switch.
In this position, the outside air position
is automatically selected, and the air
conditioner automatically turns on.
The air conditioner will directly
dehumidify the air to the front
windshield and side windows on page
5-4.
Air
flow amount will be increased.
WARNING
Set the temperature control to the hot
or warm position when defogging
(
position):
Using the
position with the
temperature control set to the cold
position is dangerous as it will cause
the outside of the windshield to fog
up. Your vision wi ll be hampered,
which could lead to a serious accident.
NOTE
Fogging on the windows clears up
more easily while the air conditioner
is on, but they will fog up more easily
if the air conditioner is turned off .
Be careful that the windows do not
fog up when doing any of the
following:
Switching to recirculate modeTu r n i n g
off the air conditionerUse the temperature control dial to
increase the air
flow temperature
and defog the windshield more
quickly.
Interior Features
Climate Control System
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No. MenuExplanation
(6) Settings You can change the settings for the Mazda Connect screen, sound set-
tings, and the vehicle functions.

In-Vehicle Displays:
Con
figures settings and content for all in-vehicle displays.
Sound Settings:
Con figures the in-vehicle listening experience.
Safety Settings:
Con figures safety and driver assistance features.
Ve h i c l e S e t t i n g s :
Con figures vehicle convenience features.
Connectivity Settings:
Con figures Bluetooth and other device connectivity settings.
System Settings:
Con figures language, time, and other general settings.
(7) Apple CarPlay You can use Apple CarPlay™ by connecting an iPhone
® compatible
with Apple CarPlay™ to the USB slot.
(8) Android Auto You can use Android Auto™ by connecting an Android™ Smartphone
compatible with Android Auto™ to the USB port.
WARNING
Always adjust Mazda Connect while the vehicle is stopped:
Do not adjust Mazda Connect with th
e Commander switch while driving the
vehicle. Adjusting Mazda Connect with the Commander switch while driving the
vehicle is dangerous as it could distract your attention from the vehicle operation
which could lead to a serious accident.
Even if the audio remote control switches are equipped on the steering wheel, learn
to use the switches without looking down at them so that you can keep your
maximum attention on the road while driving the vehicle.
Do not allow the connection plug cord to get tangled with the shift lever (manual
transmission)/selector leve r (automatic transmission):
Allowing the plug cord to become tangled with the shift lever (manual
transmission)/selector lever (automatic transmission) is dangerous as it could
interfere with driving, resulting in an accident.
Interior Features
Mazda Connect
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Depending on the device connected
to the accessory socket, the vehicle's
electrical system may be aff ected,
which could cause the warning light
to illuminate. Disconnect the
connected device and make sure
that the problem is resolved. If the
problem is resolved, disconnect the
device from the socket and switch
the ignition o ff. If the problem is not
resolved, consult an Authorized
Mazda Dealer.
NOTE
To prevent discharging of the battery,
do not use the socket for long periods
with the engine o ff or idling.
Connecting the accessory socket
1. Open the lid.
2. Pass the connection plug cord through the cutout of the console
and insert the plug into the
accessory socket.

1. Plug
Cup Holder
▼ Cup Holder
WARNING
Never use a cup holder to hold hot
liquids while the vehicle is moving:
Using a cup holder to hold hot liquids
while the vehicle is moving is
dangerous. If the contents spill, you
could be scalded.
Do not put anything other than cups
or drink cans in cup holders:
Putting objects other than cups or
drink cans in a cup holder is
dangerous.
During sudden braking or
maneuvering, occupants could be hit
and injured, or objects could be
thrown around the vehicle, causing
interference with the driver and the
possibility of an accident. Only use a
cup holder for cups or drink cans.
Interior Features
Interior Equipment
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Bottle Holder
▼Bottle Holder
Bottle holders are on the inside of the
doors.
1. Bottle holder

CAUTION
Do not use the bottle holders for
containers without caps. The contents
may spill when opening/closing the
door or while driving the vehicle.
Assist Grips
▼ Assist Grips
WARNING
Never hang heavy or sharp objects on
the assist grips and coat hooks:
Hanging heavy or sharp-ended objects
such as a coat hanger from the assist
grips or coat hooks is dangerous as
they can
fly o ff and hit an occupant in
the cabin if a curtain air bag was to
deploy, which could result in serious
injury or death.
Do not use the assist grips when
getting in and out of the vehicle or
getting out of a seat:
An assist grip could break under a
heavy load resulting in injury.
Use the assist grips to support your
body while seated in the vehicle and
while the vehicle is moving.
Interior Features
Interior Equipment
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Rear Coat Hooks
▼Rear Coat Hooks
WARNING
Never hang heavy or sharp objects on
the assist grips and coat hooks:
Hanging heavy or sharp-ended objects
such as a coat hanger from the assist
grips or coat hooks is dangerous as
they can
fly o ff and hit an occupant in
the cabin if a curtain air bag was to
deploy, which could result in serious
injury or death.
Always hang clothes on the coat hooks
and the assist grips without hangers.
Storage Compartments
▼ Storage Compartments
WARNING
Keep storage boxes closed when
driving:
Driving with the storage boxes open is
dangerous. To reduce the possibility of
injury in an accident or a sudden stop,
keep the storage boxes closed when
driving.
When loading cargo, make sure that it
is completely secured:
If the cargo is not completely secured,
it may move or collapse while driving
or during sudden braking , resulting in
injury or an accident.
Do not put articles in storage spaces
with no lid:
Putting articles in storage spaces with
no lid is dangerous as they could be
thrown around the cabin during
sudden braking , maneuvering, or
acceleration and cause an accident
depending on how the article is stored.
CAUTION
Do not leave lighters or eyeglasses in
the storage boxes while parked under
the sun. A lighter could explode or the
plastic material in eyeglasses could
deform and crack from high
temperature.
Interior Features
Interior Equipment
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Owner MaintenancePrecautions
▼Owner Maintenance Precautions
The owner or a qualified service
technician should make these vehicle
inspections at the indicated intervals to
ensure safe and dependable
operation.

Bring any problem to the attention of
an Authorized Mazda Dealer or
qualifi
ed service technician as soon as
possible.
When Refueling
Brake and clutch fluid level (page
6-21)
Engine coolant level (page 6-20)Engine oil level (page 6-19)Washer fluid level (page 6-22)
At Least Monthly
Tire in flation pressures (page 6-34)
At Least Twice a Year (For Example,
Every Spring and Fall)
You can do the following scheduled
maintenance items if you have some
mechanical ability and a few basic
tools and if you closely follow the
directions in this manual.
Engine coolant (page 6-20)Engine oil (page 6-19)

Improper or incomplete service may
result in problems. This section gives
instructions only for items that are easy
to perform.

As explained in the Introduction (page
6-2), several procedures can be done
only by a qualifi ed service technician
with special tools.

Improper owner maintenance during
the warranty period may a ffect
warranty coverage. Refer to
Introduction (page 6-2) for owner's
responsibility in protecting your
investment. For details, read the
separate Mazda Warranty statement
provided with the vehicle. If you are
unsure about any servicing or
maintenance procedure, have it done
by an Authorized Mazda Dealer.

There are strict environmental laws
regarding the disposal of waste oil and
fl uids. Please dispose of your waste
properly and with due regard to the
environment.

We recommend that you entrust the oil
and fluid changes of your vehicle to an
Authorized Mazda Dealer.
WARNING
Do not perform maintenance work if
you lack su fficient knowledge and
experience or the proper tools and
equipment to do the work. Have
maintenance work done by a
quali fied technician:
Performing maintenance work on a
vehicle is dangerous if not done
properly. You can be seriously injured
while performing some maintenance
procedures.
Maintenance and Care
Owner Maintenance
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If you must run the engine while
working under the hood, make
certain that you remove all jewelry
(especially rings, bracelets, watches,
and necklaces) and all neckties,
scarves, and similar loose clothing
before getting near the engine or
cooling fan which may turn on
unexpectedly:
Working under the hood with the
engine running is dangerous. It
becomes even more dangerous when
you wear jewelry, loose clothing or
have long hair or a long beard.
Either can become entangled in
moving parts and result in injury.
Pull over to a safe location, then
switch the ignition o ff 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 inde finitely 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 leave items in the engine
compartment:
After you have finished checking or
doing servicing in the engine
compartment, do not forget and leave
items such as tools or rags in the
engine compartment.
Tools or other items left in the engine
compartment could cause engine
damage or a fire leading to an
unexpected accident.
Hood
▼ 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.

2. Insert your hand into the hoodopening , slide the latch lever in the
direction of the allow as shown in
the illustration, and lift up the
hood.


Maintenance and Care
Owner Maintenance
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