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. Maintenance Service Items
Maintenance Service Items Inspect idle speed every 160,000 miles (256,000 km).  Adjust the valves during services A, B, 1, 2, or 3 if they are noisy. U.S. models *1: If a Maintenance Minder indicator does not appear more than 12 months af ...