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. Accessories
When installing accessories, check the following:  Do not install accessories on the windshield. They can obstruct your view and delay your reaction to driving conditions.  Do not install accessories over areas marked SRS AIRBAG, on the sides or backs of the front seats, on ...