Tailgate Open Switch

Disconnect the negative (-) battery terminal.
Remove the tail gate trim.
(Refer to Body - "TAIL GATE TRIM ")
Remove the tail gate back panel. (Refer to Body - "TAIL GATE BACK PANEL ")
Disconnect the tail gate open switch and license lamp connectors (A).

Fig 1: Locating Tail Gate Open Switch & License Lamp Connectors
Courtesy of KIA MOTORS AMERICA, INC.
Remove the tail gate open switch and license plate lamp (A) by loosening the bolts inside the tail gate.

Fig 2: Locating Tail Gate Open Switch & License Plate Lamp With Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the tail gate open switch assembly (A) after loosening the screws.
Remove the license lamp bulb (B) and then disconnect the wiring (C).

Fig 3: Locating Tail Gate Open Switch Assembly With Screws
Courtesy of KIA MOTORS AMERICA, INC.

Fig 4: Locating License Lamp Bulb
Courtesy of KIA MOTORS AMERICA, INC.