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. ...

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Honda Civic Owners Manual. Storing the Flat Tire
Models with aluminum wheels Remove the center cap. All models Place the flat tire face down in the spare tire well.  Remove the spacer cone from the wing bolt, flip it over, and insert it back on the bolt. Secure the flat tire with the wing bolt.  Securely put ...