Honda Civic Service Manual: Radiator Fan

Radiator Removal and Installation (R18A9)

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

Radiator Fan Motor Removal and Installation (Except K24Z7)

1151A2 1. Battery Terminal - Disconnection 1. Make sure the ignition switch is in LOCK (0), or the vehicle ...

See also:

Honda Civic Owners Manual. Overheating
How to Handle Overheating Overheating symptoms are as follows:  The temperature gauge pointer is at the H mark or the engine suddenly loses power.  Steam or spray comes out of the engine compartment.  First thing to do  Immediately park the vehicle in a safe pl ...