Smart key unit

Disconnect the negative (-) battery terminal.
Open the trunk and remove the right side trim (A).
For sedan, refer to TRUNK . For coupe, refer to TRUNK LID .

Fig 1: Right Side Trim
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Right Side Trim Connecting Cable
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the nuts (2 EA) from the smart key unit (A) after disconnecting the connector.

Fig 3: Smart Key Unit & Nuts
Courtesy of KIA MOTORS AMERICA, INC.