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.
WARNING: Be sure to reduce the fuel pressure before disconnecting the fuel main pipe and hose, otherwise fuel will spill out, leading to the risk of fire or explosion.
Disconnect the battery cable from the negative terminal of the battery.

Fig 1: Disconnecting The Battery Cable
Courtesy of KIA MOTORS AMERICA, INC.
Remove the fuel tank cap.
Disconnect the return hose and vapor hose.

Fig 2: Disconnecting The Return And Vapor Hoses
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the fuel sender connector.
Disconnect the high pressure hose from the fuel tank.

Fig 3: Disconnecting The High Pressure Hose From The Fuel Tank
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the two self-locking nuts, that hold tank in the position and remove the two tank bands.

Fig 4: Removing The Self-Locking Nuts & Two Tank Bands
Courtesy of KIA MOTORS AMERICA, INC.
Detach the fuel filler hose and leveling hose.
Remove the fuel vapor hose and the fuel tank.

Fig 5: Removing The Fuel Vapor Hose And The Fuel Tank
Courtesy of KIA MOTORS AMERICA, INC.