2010-2013 Mazda 3 4 Door Interior Comfort -> Climate Control System User Manual
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Interior Comfort -> Climate Control System for Your Mazda 3 4 Door Second Generation (2010-2013)

Interior Comfort  
Climate Control System  
qNot Using for a Long Period  
Operating Tips  
Run the air conditioner about 10 minutes  
at least once a month to keep internal  
parts lubricated.  
qOperating the Climate Control  
System  
Operate the climate control system with  
the engine running.  
qCheck the Refrigerant before the  
Weather Gets Hot  
NOTE  
Have the air conditioner checked before  
the weather gets hot. Lack of refrigerant  
may make the air conditioner less  
efficient. Consult an Authorized Mazda  
Dealer for refrigerant inspection.  
To prevent the battery from being discharged,  
do not leave the fan control dial on for a long  
period of time with the ignition in ON when the  
engine is not running.  
qClearing the Air Inlet  
The air conditioner is filled with  
HFC134a (R134a), a refrigerant that will  
not damage the ozone layer.  
If the air conditioner is low on refrigerant  
or has a malfunction, consult an  
Authorized Mazda Dealer.  
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.  
qFoggy Windows  
qReplacement of the Cabin Air  
Filterí  
The windows may fog up easily in humid  
weather. Use the climate control system to  
defog the windows.  
If your vehicle is equipped with an air  
filter for the air conditioner, it is necessary  
to change the filter periodically as  
indicated in scheduled maintenance (page  
8-3). Consult an Authorized Mazda  
Dealer for replacement of the cabin air  
filter.  
To help defog the windows, operate the  
air conditioner to dehumidify the air.  
NOTE  
The air conditioner may be used along with the  
heater to dehumidify the air.  
qParking in Direct Sunlight  
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.  
6-2  
íSome models.  
Interior Comfort  
Climate Control System  
Vent Operation  
Center Vents  
qAdjusting the Vents  
Directing airflow  
Side Vents  
To adjust the direction of airflow, move  
the adjustment knob.  
To adjust the direction of airflow, open the  
vents and rotate them left and right.  
Knob  
Push  
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.  
6-3  
Interior Comfort  
Climate Control System  
qSelecting the Airflow Mode  
Dashboard Vents  
Defroster and Floor Vents  
Defroster Vents  
Dashboard and Floor Vents  
Floor Vents  
6-4  
Interior Comfort  
Climate Control System  
Types of the Climate Control System  
Manual type and fully automatic type climate control systems are explained separately.  
Check your vehicle's climate control type and read the appropriate pages.  
Manual Type ............................................................................................................ page 6-6  
Fully Automatic Type ............................................................................................ page 6-10  
6-5  
Interior Comfort  
Climate Control System  
í
Manual Type  
Mode selector dial  
Fan control dial  
Temperature control dial  
A/C switch  
Rear window defroster switch  
Air intake selector  
Some models.  
Fan control dial  
qControl Switches  
Temperature control dial  
Cold  
Hot  
This dial allows variable fan speeds.  
0―Fan off  
1―Low speed  
2―Medium low speed  
3―Medium high speed  
4―High speed  
This dial controls temperature. Turn it  
clockwise for hot and counterclockwise  
for cold.  
6-6  
íSome models.  
Interior Comfort  
Climate Control System  
Mode selector dial  
NOTE  
l
The air conditioner may not function when  
the outside temperature approaches 0 °C  
(32 °F).  
l
(U.S.A.)  
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.  
Turn the mode selector dial to select  
airflow mode (page 6-4).  
NOTE  
l
The mode selector dial can be set at the  
Air intake selector  
intermediate positions ( ) between each  
mode. Set the dial to an intermediate  
position if you want to slightly adjust the  
airflow amount.  
l
For 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.  
í
A/C switch  
This switch controls the source of air  
entering the vehicle.  
Press the  
switch to alternate  
between the outside air and recirculated  
air modes.  
It is recommended that under normal  
conditions the switch be kept in the  
outside air mode.  
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 set at position 1, 2, 3, or 4.  
Outside air mode (indicator light  
turned off)  
Outside air is taken into the vehicle. Use  
this mode for normal ventilation and  
heating.  
Press the switch once again to turn the air  
conditioner off.  
Recirculated air mode (indicator light  
illuminated)  
Outside air is shut off. Air within the  
vehicle is recirculated.  
íSome models.  
6-7  
Interior Comfort  
Climate Control System  
qCooling (With Air Conditioner)í  
This mode can be used when driving on a  
dusty road or in similar conditions. It also  
helps to provide quicker cooling of the  
interior.  
1. Set the mode selector dial to the  
position.  
2. Set the temperature control dial to the  
cold position.  
WARNING  
Do not use the recirculated air mode in  
cold or rainy weather:  
3. Set the fan control dial to the desired  
speed.  
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.  
4. Turn on the air conditioner by pressing  
the A/C switch.  
5. Adjust the fan control dial and  
temperature control dial to maintain  
maximum comfort.  
qHeating  
CAUTION  
1. Set the mode selector dial to the  
position.  
If the air conditioner is used while  
driving up long hills or in heavy  
traffic, monitor the engine coolant  
temperature warning light to see if it  
is illuminated or flashing (page  
5-46).  
2. Set the temperature control dial to the  
hot position.  
3. Set the fan control dial to the desired  
speed.  
The air conditioner may cause engine  
overheating. If the warning light is  
illuminated or flashing, turn the air  
conditioning off (page 7-15).  
NOTE  
l
If the windshield fogs up easily, set the  
mode selector dial to the  
position.  
If cooler air is desired at face level, set the  
mode selector dial at the position and  
l
l
l
NOTE  
l
adjust the temperature control dial to  
maintain maximum comfort.  
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 mode, then set the fan  
control dial to position 4.  
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).  
l
If warmer air is desired at floor level, set  
In the  
or  
position, the air  
the mode selector dial at the  
position  
conditioner is automatically turned on  
(however, the indicator light does not  
illuminate) and the outside air mode is  
automatically selected to defrost the  
windshield.  
and adjust the temperature control dial to  
maintain maximum comfort.  
l
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).  
In the  
or  
position, the outside air  
mode cannot be changed to the recirculated  
air mode.  
6-8  
íSome models.  
Interior Comfort  
Climate Control System  
NOTE  
qVentilation  
l
For maximum defrosting, set the  
temperature control dial to the extreme hot  
position and the fan control dial to position  
4.  
1. Set the mode selector dial to the  
position.  
2. Set the air intake selector to the outside  
air mode.  
l
l
If warm air is desired at the floor, set the  
mode selector dial to the  
position.  
3. Set the temperature control dial to the  
desired position.  
In the , or position, the air  
conditioner is automatically turned on  
(however, the indicator light does not  
illuminate) and the outside air mode is  
automatically selected to defrost the  
windshield.  
4. Set the fan control dial to the desired  
speed.  
q
Windshield Defrosting and Defogging  
In the  
or  
position, the outside air  
1. Set the mode selector dial to the  
position.  
mode cannot be changed to the recirculated  
air mode.  
2. Set the temperature control dial to the  
desired position.  
qDehumidifying (With Air  
Conditioner)í  
3. Set the fan control dial to the desired  
speed.  
Operate the air conditioner in cool or cold  
weather to help defog the windshield and  
side windows.  
WARNING  
Do not defog the windshield using the  
position with the temperature  
1. Set the mode selector dial to the  
desired position.  
control set to the cold position:  
2. Set the air intake selector to the outside  
air mode.  
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  
3. Set the temperature control dial to the  
desired position.  
4. Set the fan control dial to the desired  
speed.  
accident. Set the temperature control  
to the hot or warm position when  
5. Turn on the air conditioner by pressing  
the A/C switch.  
using the  
position.  
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.  
íSome models.  
6-9  
Interior Comfort  
Climate Control System  
í
Fully Automatic Type  
Climate control information is displayed on the information display.  
Information display  
Airflow display  
Air intake display  
DUAL  
AUTO  
A/C  
Temperature setting display (passenger)  
Mode selector display  
Temperature setting display (driver)  
Driver temperature control dial  
Fan control dial  
Passenger temperature control dial  
AUTO switch  
OFF switch  
DUAL switch  
Windshield defroster switch  
Mode selector switch  
A/C switch  
Rear window defroster switch  
Air intake selector  
6-10  
íSome models.  
Interior Comfort  
Climate Control System  
Pressing the OFF switch shuts off the  
climate control system.  
qControl Switches  
AUTO switch  
Temperature control dial  
Cold  
Hot  
By pressing the AUTO switch the  
following functions will be automatically  
controlled in accordance with the selected  
set temperature:  
This dial controls temperature. Turn it  
clockwise for hot and counterclockwise  
for cold.  
l
l
When the DUAL switch is off:  
Airflow temperature  
Amount of airflow  
l
Turn the driver temperature control dial  
to control the temperature.  
When the DUAL switch is on:  
l
Selection of airflow mode  
Outside/Recirculated air selection  
Air conditioner operation  
l
l
l
Turn the driver or front passenger  
temperature control dial to control the  
temperature.  
NOTE  
AUTO switch indicator light  
l
NOTE  
When on, it indicates AUTO operation, and  
the system will function automatically.  
If any of the following dials or switches are  
operated while in AUTO control, the AUTO  
switch indicator turns off.  
The 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.  
l
l
Mode selector switch  
l
Fan control dial  
l
Windshield defroster switch  
The functions for dials and switches other  
than those operated in the above continue  
to operate in AUTO control.  
Fan control dial  
OFF switch  
Fast  
Slow  
The fan has seven speeds. The selected  
speed will be displayed.  
6-11  
Interior Comfort  
Climate Control System  
Mode selector 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 dial is on.  
NOTE  
l
The air conditioning operates when the A/C  
switch is pressed even if the fan is off.  
l
The air conditioner may not function when  
The desired airflow mode can be selected  
(page 6-4).  
the outside temperature approaches 0 °C  
(32 °F). (Indicator light remains on even  
when system is off.)  
NOTE  
l
With the airflow mode set to the  
Air intake selector  
position and the temperature control dial  
set at a medium temperature, heated air is  
directed to the feet and a comparably lower  
air temperature will flow through the  
central, left and right vents.  
l
To set the air vent to  
, press the  
windshield defroster switch.  
l
In the  
or  
position, the air  
conditioner is automatically turned on and  
the outside air mode is automatically  
selected to defrost the windshield. In the  
Outside or recirculated air positions can  
be selected. Press the switch to select  
outside/recirculated air positions.  
Recirculated air position (indicator  
light illuminated)  
or  
position, the outside air mode  
cannot be changed to the recirculated air  
mode.  
A/C switch  
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)  
Use this position for normal conditions  
and defogging.  
6-12  
Interior Comfort  
Climate Control System  
Windshield defroster switch  
WARNING  
Do not use the  
position in cold or  
rainy weather:  
Using the  
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.  
DUAL switch  
Press the switch to defrost the windshield  
and front door windows.  
NOTE  
In the  
position, the air conditioner is  
automatically turned on and the outside air  
mode is automatically selected to defrost the  
windshield. In the  
position, the outside air  
mode cannot be changed to the recirculated  
air mode.  
Use the DUAL switch to change the mode  
between the individual operation (driver  
and passenger) and interconnection  
modes.  
qOperation of Automatic Air  
Conditioning  
1. Press the AUTO switch. Selection of  
the airflow mode, air intake selector  
and amount of airflow will be  
automatically controlled.  
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.  
NOTE  
is displayed on the information display  
while in the individual operation mode.  
6-13  
Interior Comfort  
Climate Control System  
2. Use the temperature control dial to  
select a desired temperature.  
Press the DUAL switch or turn the  
front passenger temperature control  
dial to control the set temperature  
individually for the driver and front  
passenger.  
q
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 (page 6-4). Airflow amount will  
be increased.  
To turn off the system, press the OFF  
switch.  
NOTE  
l
Setting the temperature to the maximum  
high or low will not provide the desired  
temperature at a faster rate.  
l
When selecting heat, the system will restrict  
WARNING  
airflow until it has warmed to prevent cold  
air from blowing out of the vents.  
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.  
6-14  
Interior Comfort  
Climate Control System  
qSunlight/Temperature Sensor  
The fully automatic air conditioner  
function measures inside and outside  
temperatures, and sunlight. It then sets  
temperatures inside the passenger  
compartment accordingly.  
CAUTION  
Do not obstruct either sensor,  
otherwise the automatic air  
conditioner will not operate properly.  
Sunlight sensor  
Interior temperature sensor  
6-15  

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