Honda Civic Owner's Manual page 168

uuClimate Control System
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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.
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Defrosting the Windshield and Windows
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To rapidly defrost the windows
166
* uUsing Automatic Climate Control
Pressing the (windshield defroster) button
turns the air conditioning system on and
automatically switches the system to fresh air
mode.
Press the button again to turn off, the
system returns to the previous settings.
1. Press the button.
2. Press the button.
1Using Automatic Climate Control
Pressing the button switches the climate control
system between on and off. When turned on, the
system returns to your last selection.
While in the ECON mode, the climate control system
has greater temperature fluctuations.
1Defrosting the Windshield and Windows
For your safety, make sure you have a clear view
through all the windows before driving.
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.
If the side windows fog up, adjust the vents so that
the air hits the side windows.
1To rapidly defrost the windows
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.