Trunk Open Switch

Disconnect the negative (-) battery terminal.
Remove the trunk lid trim.
(Refer to Body - "TRUNK LID TRIM ")
Remove the trunk lid key holder (A) after loosening the mounting bolt.
Disconnect the key holder cable (B).

Fig 1: Locating Trunk Lid Key Holder And Key Holder Cable With Mounting Bolt
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the trunk open switch connector (A).

Fig 2: Locating Trunk Open Switch Connector
Courtesy of KIA MOTORS AMERICA, INC.
Remove the trunk open switch assembly (A) after disengaging mounting clips.

Fig 3: Locating Trunk Open Switch Assembly
Courtesy of KIA MOTORS AMERICA, INC.

Fig 4: Disengaging Trunk Open Switch Assembly Mounting Clips
Courtesy of KIA MOTORS AMERICA, INC.