(Bank 1 / Sensor 1)

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Disconnect the connector (A), and then remove the sensor (B).
NOTE: Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.

Fig 1: Identifying Sensor Connector (Bank 1/Sensor 1)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Oxygen Sensor Component Location (Bank 1/Sensor 1)
Courtesy of KIA MOTORS AMERICA, INC.