Honda Civic Service Manual: Fuel Line Inspection (K24Z7)

Fuel Filter B Element Removal and Installation (R18A9)

Compressed natural gas is flammable and highly explosive. You could be killed or seriously injured if leaking natural gas is ignited. Stop the engine, and keep heat, sparks, and flames away. ...

Fuel Line Inspection (R18A9)

Inspection 1. Fuel Line - Inspection (Natural Gas Model) Check the fuel system lines, the hoses, the fuel filter, and other components for damage, leaks, or deterior ...

See also:

Honda Civic Service Manual. Rear Window Removal and Installation (4-door except Natural Gas models)
832120 Removal 1. Rear Seat Cushion 1. Remove the bolt (A) securing the rear seat cushion (B). ...