Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Lift the vehicle.
Disconnect the canister close valve connector (A).
Disconnect the ventilation hose (B) from the fuel tank air filter and canister close valve.

Fig 1: Canister Close Valve Component Location, Connector And Ventilation Hose
Courtesy of KIA MOTORS AMERICA, INC.
Remove the fuel tank air filter assembly after removing a bolt (A).

Fig 2: Identifying Fuel Tank Air Filter Assembly Mounting Bolt
Courtesy of KIA MOTORS AMERICA, INC.
Remove the bracket (A) after pulling it.

Fig 3: Removing Fuel Tank Air Filter Bracket
Courtesy of KIA MOTORS AMERICA, INC.
Release the lever (A) by lifting it up.

Fig 4: Releasing Fuel Tank Air Filter Lever
Courtesy of KIA MOTORS AMERICA, INC.
Remove the canister close valve (B) from the fuel tank air filter (C) after rotating it in the direction of the arrow in the illustration.

Fig 5: Rotating Fuel Tank Air Filter

Courtesy of KIA MOTORS AMERICA, INC.