July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Trunk Lid Open Switch

Remove the trunk trim.
(Refer to TRUNK TRIM REPLACEMENT .)
Check for continuity between the Trunk actuator terminals.

Fig 1: Identifying Trunk Actuator Terminals
Courtesy of KIA MOTORS AMERICA, INC.
If continuity is not specified, inspect the switch

Fig 2: Trunk Actuator Continuity Chart
Courtesy of KIA MOTORS AMERICA, INC.