Trunk lid Switch

Remove the trunk trim.
Refer to TRUNK .
Disconnect the 3P connector from the actuator.

Fig 1: Trunk Lid Switch Connector End View
Courtesy of KIA MOTORS AMERICA, INC.
Check for continuity between the terminals in each switch position according to the table.

Fig 2: Trunk Lid Switch Terminals Continuity Chart
Courtesy of KIA MOTORS AMERICA, INC.