Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Lift the vehicle.
Disconnect the canister close valve connector (A).
Disconnect the ventilation hose (B).
Remove the fuel tank air filter after removing the mounting bolts (C).

Fig 1: Locating Canister Close Valve Connector, Ventilation Hose And Mounting Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Release the lever (A), and then separate the canister close valve (B) from the fuel tank air filter after rotating it in the direction of the arrow in the figure below.

Fig 2: Locating Lever
Courtesy of KIA MOTORS AMERICA, INC.

Fig 3: Separating Canister Close Valve From Fuel Tank Air Filter
Courtesy of KIA MOTORS AMERICA, INC.