Honda Civic Service Manual: Thermostat

Water Passage Removal and Installation (K24Z7)

1211F4 1. Radiator Cap 1. Wait until the engine is cool, then carefully remove the radiator cap. ...

Thermostat Housing Removal and Installation (R18A9)

1. Radiator Cap 1. Wait until the engine is cool, then carefully remove the radiator cap. ...

See also:

Honda Civic Service Manual. Front Fog Light Adjustment ('12, '13: 2-door)
Adjustment 1. Front Fog Light - Adjustment Before adjusting the front fog light: Park the vehicle on a level surface. ...