Tailgate Open Switch

Disconnect the negative (-) battery terminal.
Remove the tail gate trim.
(Refer to Body - "TAIL GATE TRIM ")
Disconnect the tail gate open switch and rear view camera connectors (A).

Fig 1: Locate Tail Gate Open Switch And Rear View Camera Connectors
Courtesy of KIA MOTORS AMERICA, INC.
Using a screwdriver or remover, remove the tail gate open switch assembly (A).

Fig 2: Locate Tail Gate Open Switch Assembly

Courtesy of KIA MOTORS AMERICA, INC.