2014-2018 Mazda 3 4 Door Interior Features -> Climate Control System User Manual
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Interior Features -> Climate Control System for Your Mazda 3 4 Door Third Generation (2014-2018)

Interior Features  
Climate Control System  
ꢀyꢀ  
Have the air conditioner checked before  
Operating Tips  
Operate the climate control system with  
the engine running.  
ꢀyꢀ  
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.  
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. Check  
the label before refilling the refrigerant.  
If the wrong type of refrigerant is used,  
it could result in a serious malfunction  
of the air conditioner.  
ꢀyꢀ  
ꢀyꢀ  
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.  
ꢀFor details, consult an Authorized  
Mazda Dealer.  
ꢀyꢀ  
Use the climate control system to defog  
the windows and dehumidify the air.  
ꢀyꢀ  
The recirculate mode should be used  
Label  
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.  
ꢀyꢀ  
Use the outside air mode for ventilation  
or windshield defrosting.  
ꢀyꢀ  
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.  
ꢀyꢀ  
Run the air conditioner about 10 minutes  
at least once a month to keep internal  
parts lubricated.  
5
–2  
Interior Features  
Climate Control System  
Vent Operation  
Adjusting the Vents  
Directing airflow  
To adjust the direction of airflow, move the  
adjustment knob.  
NOTE  
ꢀyꢀWhen 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.  
ꢀyꢀThe air vents can be fully opened and  
closed by operating the dial.  
Side Vents  
Knob  
Knob  
Dial  
Dial  
Open  
Close  
Close  
Open  
Center Vents  
Knob  
5
–3  
Interior Features  
Climate Control System  
Selecting the Airflow Mode  
Dashboard Vents  
Defroster and Floor Vents  
Defroster Vents  
Dashboard and Floor Vents  
Floor Vents  
5
–4  
Interior Features  
Climate Control System  
Manual Climate Control  
Temperature control dial  
Rear window defogger switch  
Fan control dial Mode selector dial  
A/C switch  
Air intake selector  
(recirculated air  
mode)  
Air intake selector  
(outside air mode)  
With A/C switch  
NOTE  
Control Switches  
ꢀyꢀThe mode selector dial can be set at the  
intermediate positions ( ) between  
each mode. Set the dial to an  
intermediate position if you want to split  
the airflow between the two modes.  
ꢀyꢀFor example, when the mode selector  
dial is at the position between the  
and positions, airflow from the floor  
vent is less than that of the position.  
Temperature control dial  
This dial controls temperature. Turn it  
clockwise for hot and counterclockwise  
for cold.  
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  
maximum cold position, the air intake  
selector switches to the recirculated air  
mode and the A/C turns on automatically.  
If A/C is not desired, press the A/C switch  
to turn it off.  
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.  
Fan control dial  
Press the switch once again to turn the air  
conditioner off.  
This dial allows variable fan speeds.  
The fan has seven speeds.  
NOTE  
Mode selector dial  
The air conditioner may not function when  
the outside temperature approaches 0 °C  
(32 °F).  
Turn the mode selector dial to select  
airflow mode (page 5-4).  
*Some models.  
5
–5  
Interior Features  
Climate Control System  
NOTE  
Air intake selector  
ꢀyꢀIf the windshield fogs up easily, set the  
mode selector dial to the position.  
ꢀyꢀIf cooler air is desired at face level, set  
the mode selector dial at the position  
and adjust the temperature control dial  
to maintain maximum comfort.  
This switch controls the source of air  
entering the vehicle.  
Press the air intake selector switch to  
alternate between the outside air and  
recirculated air modes.  
ꢀyꢀThe 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).  
Recirculated air mode (  
)
Outside air is shut off. Air within the  
vehicle is recirculated.  
ꢀyꢀIn the or  
position, the air  
Outside air mode (  
)
conditioner is automatically turned on  
and the outside air mode is  
automatically selected to defrost the  
Outside air is allowed to enter the  
cabin. Use this mode for ventilation or  
windshield defrosting.  
windshield. In the or  
position, the  
outside air mode cannot be changed to  
the recirculated air mode.  
WARNING  
Do not use the recirculated air mode in  
cold or rainy weather:  
Cooling (With air conditioner)  
Using the recirculated air mode 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.  
1. Set the mode selector dial to the  
position.  
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.  
Heating  
1. Set the mode selector dial to the  
position.  
2. Set the air intake selector to the outside  
air mode.  
3. Set the temperature control dial to the  
hot position.  
4. Set the fan control dial to the desired  
speed.  
5. If dehumidified heating is desired, turn  
on the air conditioner.  
5
–6  
Interior Features  
Climate Control System  
Windshield Defrosting and  
Defogging  
CAUTION  
If the air conditioner is used while  
driving up long hills or in heavy  
traꢀc, monitor the engine coolant  
temperature warning light to see if it is  
illuminated or ꢁashing (page 4-20).  
The air conditioner may cause engine  
overheating. If the warning light is  
illuminated or ꢁashing, turn the air  
conditioning oꢂ (page 7-19).  
1. Set the mode selector dial to the  
position.  
2. Set the temperature control dial to the  
desired position.  
3. Set the fan control dial to the desired  
speed.  
4. If dehumidified heating is desired, turn  
on the air conditioner.  
WARNING  
NOTE  
ꢀyꢀWhen maximum cooling is desired,  
set the temperature control dial to the  
extreme cold position and set the air  
intake selector to the recirculated air  
mode, then turn the fan control dial fully  
clockwise.  
ꢀyꢀIf warmer air is desired at floor level,  
set the mode selector dial at the  
position and adjust the temperature  
control dial to maintain maximum  
comfort.  
Do not defog the windshield using the  
position with the temperature  
control set to the cold 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 will be hampered, which  
could lead to a serious accident. Set  
the temperature control to the hot or  
warm position when using the  
position.  
ꢀyꢀThe 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).  
NOTE  
ꢀyꢀFor 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.  
ꢀyꢀIf warm air is desired at the floor, set the  
mode selector dial to the position.  
Ventilation  
1. Set the mode selector dial to the  
position.  
2. Set the air intake selector to the outside  
air mode.  
3. Set the temperature control dial to the  
desired position.  
4. Set the fan control dial to the desired  
speed.  
ꢀyꢀIn the or  
position, the air  
conditioner is automatically turned on  
and the outside air mode is  
automatically selected to defrost the  
windshield. In the or  
position, the  
outside air mode cannot be changed to  
the recirculated air mode.  
5
–7  
Interior Features  
Climate Control System  
Dehumidifying (With air  
conditioner)  
Operate the air conditioner in cool or cold  
weather to help defog the windshield and  
side windows.  
1. Set the mode selector dial to the desired  
position.  
2. Set the air intake selector to the outside  
air mode.  
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.  
5
–8  
Interior Features  
Climate Control System  
Automatic Climate Control  
Temperature control dial  
Fan control dial  
Mode selector dial  
A/C switch  
Air intake selector switch  
Rear window defogger switch  
Control Switches  
AUTO position  
The airflow mode automatically adjusts to  
the selected temperature.  
Temperature control dial  
This dial controls temperature. Turn it  
clockwise for hot and counterclockwise  
for cold.  
Except AUTO position  
The desired airflow position can be  
selected by turning the dial.  
Fan control dial  
NOTE  
The fan has seven speeds.  
ꢀyꢀWith the airflow mode set to the  
position and the temperature control  
dial set at a medium temperature,  
heated air is directed to the feet and air  
at a comparably lower temperature will  
flow through the central, left and right  
vents.  
AUTO position  
The amount of airflow will be  
automatically controlled in accordance  
with the set temperature.  
Except AUTO position  
ꢀyꢀWhen the fan control dial is ON, and the  
The airflow amount can be adjusted to the  
desired level by turning the dial.  
mode selector dial is in the  
position, the air conditioner is  
or  
0 position  
automatically turned on and the outside  
air mode is automatically selected to  
To turn off the system, set the dial to 0  
position.  
defrost the windshield. In the  
or  
position, the outside air mode cannot be  
changed to the recirculated air mode.  
Mode selector dial  
Turn the mode selector dial to select  
airflow mode (page 5-4).  
5
–9  
Interior Features  
Climate Control System  
A/C switch  
Operation of Automatic Air  
Conditioning  
Pressing the A/C switch while the AUTO  
switch is turned on will turn off the air  
conditioning (cooling/dehumidifying  
functions).  
The air conditioning can be turned on and  
off by pressing the A/C switch while the  
fan control dial is on.  
1. Set the mode selector dial to the AUTO  
position.  
2. Set the air intake selector to the outside  
air position (indicator light turned off).  
3. Set the temperature control dial to the  
desired position.  
4. Set the fan control dial to the AUTO  
position.  
5. Turn on the air conditioner.  
NOTE  
The air conditioner may not function when  
the outside temperature approaches 0 °C  
(32 °F).  
To turn off the system, set the fan control  
dial to OFF.  
Air intake selector  
NOTE  
Outside or recirculated air positions can be  
selected. Press the switch to select outside/  
recirculated air positions.  
ꢀyꢀSetting the temperature to maximum  
high or low will not provide the desired  
temperature at a faster rate.  
ꢀyꢀWhen selecting heat, the system will  
restrict airflow until it has warmed to  
prevent cold air from blowing out of the  
vents.  
Recirculated air position (indicator light  
illuminated)  
Outside air is shut off. Use this position  
when going through tunnels, driving in  
congested traffic (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  
rainy weather:  
Using the  
position in cold or  
position 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.  
5
–10  
Interior Features  
Climate Control System  
Windshield Defrosting and  
Defogging  
Sunlight/Temperature Sensor  
The climate control system measures  
inside and outside temperatures, and  
sunlight. It then sets temperatures inside  
the passenger compartment accordingly.  
Set the mode selector dial to the  
position and turn the fan control dial to the  
desired speed.  
In this position, the outside air position  
is automatically selected, and when the  
fan control dial is ON, the air conditioner  
automatically turns on. The air conditioner  
will directly dehumidify the air to the front  
windshield and side windows (page 5-4).  
Airflow amount will be increased.  
CAUTION  
Do not obstruct either sensor,  
otherwise the climate control system  
will not operate properly.  
Sunlight sensor  
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 will be hampered, which  
could lead to a serious accident.  
NOTE  
Use the temperature control dial to  
increase the air flow temperature and  
defog the windshield more quickly.  
Interior temperature sensor  
5
–11  
Interior Features  
Climate Control System  
Dual-Zone Automatic Climate Control  
Climate control information is displayed on the display.  
Temperature setting display (driver)  
Windshield defroster switch  
Driver temperature control dial  
Air intake selector  
(recirculated air  
position)  
Rear window defogger switch  
Air intake selector  
(outside air position)  
Passenger temperature  
control dial  
A/C mode display  
A/C switch  
AUTO switch  
OFF switch  
DUAL switch  
Fan control switch  
Mode selector Mode selector switch  
display  
Airflow display  
Temperature setting display (passenger)  
NOTE  
Control Switches  
AUTO switch indicator light  
AUTO switch  
ꢀyꢀWhen on, it indicates auto operation,  
and the system will function  
automatically.  
ꢀyꢀIf any of the following switches are  
operated while in auto control, the  
AUTO switch indicator turns off.  
By pressing the AUTO switch the  
following functions will be automatically  
controlled in accordance with the selected  
set temperature:  
ꢀyꢀ  
Airflow temperature  
ꢀyꢀ  
Amount of airflow  
ꢀyꢀMode selector switch  
ꢀyꢀFan control switch  
ꢀyꢀWindshield defroster switch  
ꢀ The functions for switches other than  
those operated in the above continue  
to operate in auto control.  
ꢀyꢀ  
Selection of airflow mode  
ꢀyꢀ  
Outside/Recirculated air selection  
ꢀyꢀ  
Air conditioner operation  
OFF switch  
Pressing the OFF switch shuts off the  
climate control system.  
5
–12  
Interior Features  
Climate Control System  
Temperature control dial  
Mode selector switch  
This dial controls temperature. Turn it  
clockwise for hot and counterclockwise  
for cold.  
The desired airflow mode can be selected  
(page 5-4).  
NOTE  
ꢀyꢀ  
When the DUAL switch is off:  
ꢀyꢀWith the airflow mode set to the  
position and the temperature control  
dial set at a medium temperature,  
heated air is directed to the feet and air  
at a comparably lower temperature will  
flow through the central, left and right  
vents.  
ꢀTurn the driver temperature control dial  
to control the temperature throughout  
the entire cabin.  
ꢀyꢀ  
When the DUAL switch is on:  
ꢀTurn the driver or front passenger  
temperature control dial to  
independently control the temperature  
on each side of the cabin.  
ꢀyꢀTo set the air vent to , press the  
windshield defroster switch.  
ꢀyꢀIn the  
or  
position, the air  
NOTE  
conditioner is automatically turned on  
and the outside air mode is  
automatically selected to defrost the  
windshield. In the or  
outside air mode cannot be changed to  
the recirculated air mode.  
ꢀyꢀThe climate control system changes to  
the individual operation mode (DUAL  
switch indicator light illuminated) by  
turning the front passenger temperature  
control dial even when the DUAL switch  
is off, which allows individual control  
of the set temperature for the driver and  
front passenger.  
position, the  
A/C switch  
Pressing the A/C switch while the AUTO  
switch is turned on will turn off the air  
conditioning (cooling/dehumidifying  
functions).  
The air conditioning can be turned on and  
off by pressing the A/C switch while the  
fan control switch is on.  
ꢀyꢀThe temperature units for the  
temperature setting display can be  
changed in conjunction with the  
temperature units for the outside  
temperature display. Refer to Outside  
Temperature Display on page 4-15.  
NOTE  
Fan control switch  
ꢀyꢀThe air conditioning operates when the  
A/C switch is pressed even if the fan is  
off.  
The fan has seven speeds. The selected  
speed will be displayed.  
ꢀyꢀThe air conditioner may not function  
when the outside temperature  
approaches 0 °C (32 °F).  
5
–13  
Interior Features  
Climate Control System  
Air intake selector  
Windshield defroster switch  
Outside or recirculated air positions can be  
selected. Press the switch to select outside/  
recirculated air positions.  
Press the switch to defrost the windshield  
and front door windows.  
Operation of Automatic Air  
Conditioning  
Recirculated air position (  
)
Outside air is shut off. Use this position  
when going through tunnels, driving in  
congested traffic (high engine exhaust  
areas) or when quick cooling is desired.  
1. Press the AUTO switch. Selection  
of the airflow mode, air intake  
selector and amount of airflow will be  
automatically controlled.  
2. Use the temperature control dial to  
select a desired temperature.  
Outside air position (  
)
Outside air is allowed to enter the  
cabin. Use this mode for ventilation or  
windshield defrosting.  
Press the DUAL switch or turn the  
front passenger temperature control  
dial to control the set temperature  
individually for the driver and front  
passenger.  
WARNING  
Do not use the  
rainy weather:  
Using the  
position in cold or  
To turn off the system, press the OFF  
switch.  
position in cold or rainy  
NOTE  
weather is dangerous as it will cause  
the windows to fog up. Your vision will  
be hampered, which could lead to a  
serious accident.  
ꢀyꢀSetting the temperature to maximum  
high or low will not provide the desired  
temperature at a faster rate.  
ꢀyꢀWhen selecting heat, the system will  
restrict airflow until it has warmed to  
prevent cold air from blowing out of the  
vents.  
DUAL switch  
Use the DUAL switch to change the  
mode between the individual operation  
(driver and passenger) and interconnection  
(simultaneous) modes.  
Individual operation mode (indicator  
light illuminated)  
The set temperature can be controlled  
individually for the driver and front  
passenger.  
Interconnection mode (indicator light  
turned off)  
The set temperature for the driver  
and front passenger is controlled  
simultaneously.  
5
–14  
Interior Features  
Climate Control System  
Windshield Defrosting and  
Defogging  
Sunlight/Temperature Sensor  
The climate control system measures  
inside and outside temperatures, and  
sunlight. It then sets temperatures inside  
the passenger compartment accordingly.  
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). Airflow amount  
will be increased.  
CAUTION  
Do not obstruct either sensor,  
otherwise the climate control system  
will not operate properly.  
WARNING  
Set the temperature control to the hot  
or warm position when defogging (  
position):  
Sunlight sensor  
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 will be hampered, which  
could lead to a serious accident.  
NOTE  
Use the temperature control dial to  
increase the air flow temperature and  
defog the windshield more quickly.  
Interior temperature sensor  
5
–15  

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