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 Owners Manual. Advanced Airbags
The airbags have advanced features to help reduce the likelihood of airbag related injuries to smaller occupants. The driver’s advanced airbag system includes a seat position sensor. Based on information from this sensor and the severity of the impact, the advanced airbag system dete ...