Fuel Tank: Removal

To reduce the internal pressure of the fuel main pipes and hose, first start the engine and then disconnect the electrical fuel pump connector in the rear seat side.
CAUTION: Be sure to reduce the fuel pressure before disconnecting the fuel main pipe and hose otherwise fuel will spill out.
Disconnect the battery cable from the negative terminal of the battery.

Fig 1: Disconnecting Battery Cable From Negative Terminal Of Battery
Courtesy of HYUNDAI MOTOR CO.
Remove the fuel tank cap.
Remove the drain plug and drain the fuel.
Disconnect the return hose and vapor hose.
Disconnect the fuel sender connector.
Disconnect the high pressure hose from the fuel tank.
Loosen the two self-locking nuts, that hold tank in the position and remove the two tank bands.

Fig 2: Removing Tank Bands
Courtesy of HYUNDAI MOTOR CO.
Detach the fuel filler hose and leveling hose.
Remove the fuel vapor hose and the fuel tank.

Fig 3: Removing Fuel Vapor Hose And Fuel Tank
Courtesy of HYUNDAI MOTOR CO.