2021 MAZDA MODEL 3 HATCHBACK Owners Manual

Ve n t O p e ra t i o n
▼Adjusting the Vents
Directing air
flow
To adjust the direction of
airflow, move
the adjustment knob.
NOTE
When using the air conditioner
under humid ambient temperature
conditions, the system may blow fog
from the vents. This is not a sign of
trouble but a result of humid air
being suddenly cooled.
The air vents can be fully opened and
closed by operating the knob.
Driver's Side Vents
Air vent open/close
1. Knob
2. Open
3. Close
NOTE
The figure indicates the air vent on the
left side of the instrument cluster. The
operation direction for the air vent on
the right side of the instrument cluster
is symmetrical with the air vent on the
left side.

Air flow direction adjustment
1. Knob

Passenger's Side Vents
Air vent open/close
1. Knob
2. Open
3. Close

Air flow direction adjustment
1. Knob

Interior Features
Climate Control System
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▼Selecting the Air
flow Mode
Dashboard Vents
Dashboard and Floor Vents
Floor Vents
Defroster and Floor Vents
Defroster Vents
NOTE
The location air flow exits the air vents
and the air flow amount may change
depending on the open or close status
of the air vents.
Interior Features
Climate Control System
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Manual Type
▼Manual Type
With A/C switch
1. A/C switch
2. Mode selector switch
3. Air intake selector switch
4. Fan control dial
5. Rear window defogger switch
6. Windshield defroster switch
7. Temperature control dial

Interior Features
Climate Control System
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Without A/C switch
1. Mode selector switch
2. Air intake selector switch
3. Fan control dial
4. Rear window defogger switch
5. Windshield defroster switch
6. Temperature control dial

▼Control Switches
Temperature control dial
This dial controls temperature. Turn it
clockwise for hot and
counterclockwise for cold.
MAX A/C (With A/C switch)
Fully turn the temperature control dial
counterclockwise for MAX A/C
(maximum cooling).
NOTE
When the mode is set to or with
the fan control dial in a position other
than 0 and the temperature control
dial in the MAX A/C position, the air
intake selector switches to the
recirculated air position and the A/C
turns on automatically.
If A/C is not desired, press the A/C
switch to turn it off .
Fan control dial
This dial allows variable fan speeds.
The fan has seven speeds.
Mode selector switches
The desired
airflow mode can be
selected (page 5-4).
A/C switch
*
Press the A/C switch to turn the air
conditioner on. The indicator light on
the switch will illuminate when the fan
control dial is in any position except
OFF.

Press the switch once again to turn the
air conditioner o ff.
NOTE
The air conditioner may not function
when the outside temperature
approaches 0 °C (32 °F).
Interior Features
Climate Control System
5-6*Some models.
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Air intake selector switch
This switch controls the source of air
entering the vehicle.

Outside or recirculated air positions
can be selected. Press the switch to
select outside/recirculated air
positions.
Recirculated air position (indicator
light illuminated)
Outside air is shut off. 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 (indicator light
turned off)
Outside air is allowed to enter the
cabin. Use this mode for ventilation or
windshield defrosting.
WARNING
Do not use the position (indicator
light turns on) in cold or rainy
weather:
Using the
position (indicator light
turns on) in cold or 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.
Windshield de froster switch
Press the switch to defrost the
windshield and front door windows.
Refer to Windshield Defrosting and
Defogging on page 5-8.
Rear window defogger switch
Press the rear window defogger switch
to defrost the rear window.
Refer to Rear Window Defogger on
page 4-58.
▼Heating
1. Press the switch.
2. Set the air intake selector to the outside air position (indicator light
turns o ff).
3. Set the temperature control dial to
the hot position.
4. Set the fan control dial to the desired speed.
5. If dehumidi fied heating is desired,
turn on the air conditioner.
NOTE
If the windshield fogs up easily, press
the
switch.(With A/C switch)
If cooler air is desired at face level,
press the
switch and adjust the
temperature control dial to maintain
maximum comfort.
The air to the floor is warmer than air
to the face (except when the
temperature control dial is set at the
extreme hot or cold position).
Interior Features
Climate Control System
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▼Cooling (With A/C switch)
1. Press the switch.
2. Set the temperature control dial to the cold position.
3. Set the fan control dial to the desired speed.
4. Turn on the air conditioner by pressing the A/C switch.
5. After cooling begins, adjust the fan control dial and temperature
control dial as needed to maintain
maximum comfort.
CAUTION
If the air conditioner is used while
driving up long hills or in heavy tra ffic,
monitor the high engine coolant
temperature warning indication to see
if it is displayed (page 7-29).
The air conditioner may cause engine
overheating. If the warning indication
is displayed, turn the air conditioner
o ff (page 7-21).
NOTE
When maximum cooling is desired,
set the temperature control dial to
the extreme cold position and set
the air intake selector to the
recirculated air position, then turn
the fan control dial fully clockwise.
If warmer air is desired at floor level,
press the
switch and adjust the
temperature control dial to maintain
maximum comfort.
The air to the floor is warmer than air
to the face (except when the
temperature control dial is set at the
extreme hot or cold position).
▼ Ve n t i l a t i o n
1. Press the switch.
2. Set the air intake selector to the outside air position (indicator light
turns off ).
3. Set the temperature control dial to the desired position.
4. Set the fan control dial to the desired speed.
▼Windshield Defrosting and
Defogging
1. Press the switch.
2. Set the temperature control dial to the desired position.
3. Set the fan control dial to the desired speed.
4. If dehumidi fied heating is desired,
turn on the air conditioner.
WARNING
Do not defog the windshield using the
switch with the temperature
control set to the cold position:
Using the
switch 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 will be hampered,
which could lead to a serious accident.
Set the temperature control to the hot
or warm position when using the
switch.
NOTE
(With A/C switch)
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 o ff.
Interior Features
Climate Control System
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(With A/C switch)
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(With A/C switch)
For maximum defrosting , turn on the
air conditioner, set the temperature
control dial to the extreme hot
position, and turn the fan control
dial fully clockwise.
If warm air is desired at the
floor,
press the
switch.
With the or *1 switch, the air
conditioner is automatically turned
on and the outside air position is
automatically selected to defrost the
windshield. In the
switch, the
outside air position cannot be
changed to the recirculated air
position.
*1 Depending on the market.
▼ Dehumidifying (With A/C switch)
Operate the air conditioner in cool or
cold weather to help defog the
windshield and side windows.
1. Press the desired mode switch you
want to set.
2. Set the air intake selector to the outside air position (indicator light
turns off ).
3. Set the temperature control dial to the desired position.
4. Set the fan control dial to the desired speed.
5. Turn on the air conditioner by pressing the A/C switch.
NOTE
One of the functions of the air
conditioner is dehumidifying the air
and, to use this function, the
temperature does not have to be set to
cold. Therefore, set the temperature
control dial to the desired position
(hot or cold) and turn on the air
conditioner when you want to
dehumidify the cabin air.
Interior Features
Climate Control System
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Fully Automatic Type
▼Fully Automatic Type
Climate control system information is displayed on the display.
1. Driver temperature control dial
2. AUTO switch
3. Temperature setting display (driver’s side)
4. Air intake display
5. Airfl
ow display
6. Mode selector display
7. Temperature setting display (passenger’s side)
8. SYNC (synchronized temperature) switch
9. Passenger temperature control dial
10.A/C switch
11.Rear window defogger switch
12.Mode selector switch
13.Fan control switch
14.Air intake selector switch
15.Windshield defroster switch
16.Power switch
▼ Control Switches
AUTO switch
By pressing the AUTO switch the
following functions will be
automatically controlled in accordance
with the selected set temperature:
Air
flow temperatureAmount of airfl owSelection of airflow modeOutside/Recirculated air selectionAir conditioner operation
Seat warmer level selection*
Heated steering wheel operation*
Interior Features
Climate Control System
5-10*Some models.
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