Honda Civic Service Manual: Engine Cooling

Engine

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Coolant Replacement (R18A9)

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

See also:

Honda Civic Service Manual. Trunk Lid Torsion Bar Removal and Installation (Except Natural Gas models)
8231B8 Removal 1. Trunk Lid Torsion Bar 1. Remove the rear seat-back release lever (A). 2. ...