Oil Pan

Drain the engine oil.
Disconnect the rear oxygen sensor connector (A).

Fig 1: Identifying Rear Oxygen Sensor Connector
Courtesy of KIA MOTORS AMERICA, INC.
Remove the front muffler heat protector (A)
Remove the front muffler (B).

Fig 2: Identifying Front Muffler Heat Protector And Front Muffler
Courtesy of KIA MOTORS AMERICA, INC.
Remove the exhaust manifold and catalytic converter assembly (A). (Refer to EXHAUST MANIFOLD )

Fig 3: Identifying Exhaust Manifold And Catalytic Converter Assembly
Courtesy of KIA MOTORS AMERICA, INC.
Using the SST (09215-3C000) and remove the oil pan.

Fig 4: Removing Oil Pan Using SST (09215-3C000)
Courtesy of KIA MOTORS AMERICA, INC.