Repair Procedures: Removal

Disconnect the battery negative terminal, and wait for at least three minutes before beginning to work.
Remove the roof trim.
(Refer to Body (Interior and Exterior) - "ROOF TRIM ASSEMBLY ")
Disconnect the connector (A) from the curtain airbag module.

Fig 1: Disconnecting Connector From Curtain Airbag Module
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the curtain airbag bolts and nuts and then remove the curtain airbag.