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. Exterior Checks
Make sure there are no obstructions on the windows, door mirrors, exterior lights, or other parts of the vehicle.  Remove any frost, snow, or ice.  Remove any snow on the roof, as this can slip down and obstruct your field of vision while driving. If frozen solid, remo ...