[Bank 1/Sensor 2]

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Remove the console side cover (A).

Fig 1: Locating Console Side Cover
Courtesy of KIA MOTORS AMERICA, INC.
Remove door scuff trim and cowl side trim.
(Refer to INTERIOR TRIM )
Disconnect the connector (A).

Fig 2: Locating Heated Oxygen Sensor Connector
Courtesy of KIA MOTORS AMERICA, INC.
Lift the vehicle.
Remove the center floor outer under cover nut (A) and then remove the sensor (B) with bracket.

Fig 3: Locating Center Floor Outer Under Cover Nut And Sensor

Courtesy of KIA MOTORS AMERICA, INC.