Switch Diagnosis

Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.
Select the vehicle model and then SMART KEY system.

Fig 1: Scantool Display - Smart Key Unit
Courtesy of KIA MOTORS AMERICA, INC.
Select the "SMART KEY unit".
After IG ON, select the "Current Data".

Fig 2: Scantool Display - Current Data
Courtesy of KIA MOTORS AMERICA, INC.
You can view the situation of each switch on scanner after connecting the "Current Data" process.