2023-2026 Honda Civic 4 Door Controls -> Climate Control System User Manual
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Controls -> Climate Control System for Your Honda Civic 4 Door Eleventh Generation (2023-2026)

Climate Control System  
Using Automatic Climate Control  
The automatic climate control system maintains the interior temperature you select.  
The system also selects the proper mix of heated or cooled air that raises or lowers  
the interior temperature to your preference as quickly as possible.  
1Using Automatic Climate Control  
If any buttons are pressed while using the climate  
control system in auto, the function of the button  
that was pressed will take priority.  
Models with SYNC button  
The auto button indicator*/AUTO indicator* will go  
off, but functions unrelated to the button that were  
pressed will be controlled automatically.  
Models with Auto Idle Stop  
Dashboard  
vents  
Dashboard  
and floor  
vents  
Floor vents  
Floor and  
defroster  
vents  
During idle-stops, air-conditioning is suspended, and  
only the blower remains active. If you do not want  
air-conditioning suspended, press the Auto Idle Stop  
OFF button to cancel idle-stop.  
Fan Control Dial  
Driver's Side  
Temperature  
Control Dial  
Passenger's Side  
Temperature  
Control Dial  
To prevent cold air from blowing in from outside, the  
fan may not start immediately when the AUTO  
button is pressed.  
SYNC Button  
If the interior is very warm, you can cool it down  
more rapidly by partially opening the windows,  
turning the system on auto, and setting the  
AUTO Button  
A/C (Air Conditioning) Button  
(ON/OFF) Button  
(Recirculation) Button  
temperature to low. Change the fresh air mode to  
recirculation mode until the temperature cools down.  
Use the system when the engine is running.  
1. Press the AUTO button.  
When you set the temperature to the lower or upper  
limit, Lo or Hi is displayed.  
2. Adjust the interior temperature using the driver's side or passenger's side  
temperature control dial.  
3. Press the  
(ON/OFF) button to cancel.  
* Not available on all models  
Continued  
249  
uuClimate Control SystemuUsing Automatic Climate Control  
1Using Automatic Climate Control  
Models without SYNC button  
Pressing the  
button switches the climate control  
system between on and off. When turned on, the  
system returns to your last selection.  
Dashboard  
vents  
Dashboard  
and floor  
vents  
Floor vents  
Floor and  
defroster  
vents  
Models with ECON mode  
While ECON mode is active, the climate control  
system may have reduced cooling performance.  
Fan Control Dial  
Temperature  
Control Dial  
A/C (Air Conditioning) Button  
(ON/OFF) Button  
AUTO Button  
(Recirculation) Button  
Use the system when the engine is running.  
1. Press the AUTO button.  
2. Adjust the interior temperature using the temperature control dial.  
3. Press the (ON/OFF) button to cancel.  
Switching between the recirculation and fresh air modes  
Press the (recirculation) button and switch the mode depending on  
environmental conditions.  
Recirculation mode (indicator on): Recirculates air from the vehicle's interior through  
the system.  
Fresh air mode (indicator off): Maintains outside ventilation. Keep the system in  
fresh air mode in normal situations.  
250  
uuClimate Control SystemuUsing Automatic Climate Control  
1Defrosting the Windshield and Windows  
Defrosting the Windshield and Windows  
For your safety, make sure you have a clear view  
through all the windows before driving.  
Pressing the  
(windshield defroster) button  
Models with SYNC button  
turns the air conditioning system on and  
automatically switches the system to fresh air  
mode.  
Do not set the temperature near the upper or lower  
limit.  
When cold air hits the windshield, the outside of the  
windshield may fog up.  
Press the button again to turn off, the  
system returns to the previous settings.  
Models with Auto Idle Stop  
If you press the button during Auto Idle Stop, the  
engine restarts automatically.  
Models without SYNC button  
Manual transmission models with Auto Idle Stop  
To defog during the Auto Idle Stop, restart the  
engine as follows.  
1. Make sure the shift lever is in (N  
2. Press the button.  
.
Continued  
251  
uuClimate Control SystemuUsing Automatic Climate Control  
To rapidly defrost the windows  
1To rapidly defrost the windows  
1. Press the  
2. Press the  
button.  
button.  
Models with SYNC button  
After defrosting the windows, switch over to fresh air  
mode. If you keep the system in recirculation mode,  
the windows may fog up from humidity. This  
impedes visibility.  
Models without SYNC button  
252  
uuClimate Control SystemuUsing Automatic Climate Control  
1Synchronization Mode*  
Synchronization Mode*  
When the system is in dual mode, the driver's side  
temperature and the passenger's side temperature  
can be set separately.  
When you press the button, the system changes  
to synchronization mode.  
Driver's Side  
Temperature  
Control Dial  
Passenger's  
Side  
Temperature  
Control Dial  
SYNC Button  
You can set the temperature synchronously for the driver's side and the passenger's  
side in synchronization mode.  
1. Press the SYNC button.  
u The system switches to synchronization mode.  
2. Adjust the temperature using the driver's side temperature control dial.  
Press the SYNC button or adjust the interior temperature using the passenger's side  
temperature control dial to return to dual mode.  
* Not available on all models  
253  
uuClimate Control SystemuAutomatic Climate Control Sensors  
Automatic Climate Control Sensors  
The automatic climate control system is  
equipped with sensors. Do not cover or spill  
any liquid on them.  
Sensor  
Sensor  
254  

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