Honda CIVIC HATCHBACK 2018 Owner's Manual page 558

uuRefuelinguHow to Refuel
5. Shut the fuel fill door by hand.
1How to Refuel
Do not continue to add fuel after the filler nozzle has
automatically stopped. Additional fuel can exceed
the full tank capacity.
If you have to refuel your vehicle from a portable
container, use the funnel provided with your vehicle.
2 Refueling From a Portable Fuel Container
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