Honda Civic Owners Manual: Climate Control System*

Automatic Heating Sensors

The automatic heating system is equipped with sensors. Do not cover or spill any liquid on them. ...

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 temperatur ...

See also:

Honda Civic Owners Manual. How the System Activates
The system becomes ready to start searching for lane markings when all the following conditions are met:  The vehicle is traveling between about 45 and 90 mph (72 and 145 km/h).  The vehicle is on a straight or slightly curved road.  The turn signals are off.  The b ...